Home / 9,306.55-12,842.89-5,114.71

Finding the Fourth Proportional to 9,306.55, 12,842.89 and 5,114.71

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Solution

The fourth proportional to 9,306.55, 12,842.89 and 5,114.71 is: 7,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.55 : 12,842.89 = 5,114.71 : x
  2. Step 2: Convert to fraction form
    9,306.55/12,842.89 = 5,114.71/x
  3. Step 3: Cross multiply
    9,306.55x = 12,842.89 × 5,114.71
  4. Step 4: Simplify right side
    9,306.55x = 65,687,657.91
  5. Step 5: Solve for x
    x = 65,687,657.91/9,306.55
  6. Step 6: Final answer
    x = 7,058.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.