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Finding the Fourth Proportional to 4,890.78, 7,336.17 and 1,602.99

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Solution

The fourth proportional to 4,890.78, 7,336.17 and 1,602.99 is: 2,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.78 : 7,336.17 = 1,602.99 : x
  2. Step 2: Convert to fraction form
    4,890.78/7,336.17 = 1,602.99/x
  3. Step 3: Cross multiply
    4,890.78x = 7,336.17 × 1,602.99
  4. Step 4: Simplify right side
    4,890.78x = 11,759,807.15
  5. Step 5: Solve for x
    x = 11,759,807.15/4,890.78
  6. Step 6: Final answer
    x = 2,404.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.