Home / 4,887.42-7,331.14-1,189.62

Finding the Fourth Proportional to 4,887.42, 7,331.14 and 1,189.62

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Solution

The fourth proportional to 4,887.42, 7,331.14 and 1,189.62 is: 1,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.42 : 7,331.14 = 1,189.62 : x
  2. Step 2: Convert to fraction form
    4,887.42/7,331.14 = 1,189.62/x
  3. Step 3: Cross multiply
    4,887.42x = 7,331.14 × 1,189.62
  4. Step 4: Simplify right side
    4,887.42x = 8,721,270.77
  5. Step 5: Solve for x
    x = 8,721,270.77/4,887.42
  6. Step 6: Final answer
    x = 1,784.43

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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.