Home / 4,342.42-6,513.36-1,179.80

Finding the Fourth Proportional to 4,342.42, 6,513.36 and 1,179.80

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Solution

The fourth proportional to 4,342.42, 6,513.36 and 1,179.80 is: 1,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.42 : 6,513.36 = 1,179.80 : x
  2. Step 2: Convert to fraction form
    4,342.42/6,513.36 = 1,179.80/x
  3. Step 3: Cross multiply
    4,342.42x = 6,513.36 × 1,179.80
  4. Step 4: Simplify right side
    4,342.42x = 7,684,462.13
  5. Step 5: Solve for x
    x = 7,684,462.13/4,342.42
  6. Step 6: Final answer
    x = 1,769.63

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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.