Home / 5,113.49-7,632.91-4,387.73

Finding the Fourth Proportional to 5,113.49, 7,632.91 and 4,387.73

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Solution

The fourth proportional to 5,113.49, 7,632.91 and 4,387.73 is: 6,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.49 : 7,632.91 = 4,387.73 : x
  2. Step 2: Convert to fraction form
    5,113.49/7,632.91 = 4,387.73/x
  3. Step 3: Cross multiply
    5,113.49x = 7,632.91 × 4,387.73
  4. Step 4: Simplify right side
    5,113.49x = 33,491,126.26
  5. Step 5: Solve for x
    x = 33,491,126.26/5,113.49
  6. Step 6: Final answer
    x = 6,549.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.