Home / 5,631.18-7,766.59-5,253.92

Finding the Fourth Proportional to 5,631.18, 7,766.59 and 5,253.92

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Solution

The fourth proportional to 5,631.18, 7,766.59 and 5,253.92 is: 7,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.18 : 7,766.59 = 5,253.92 : x
  2. Step 2: Convert to fraction form
    5,631.18/7,766.59 = 5,253.92/x
  3. Step 3: Cross multiply
    5,631.18x = 7,766.59 × 5,253.92
  4. Step 4: Simplify right side
    5,631.18x = 40,805,042.53
  5. Step 5: Solve for x
    x = 40,805,042.53/5,631.18
  6. Step 6: Final answer
    x = 7,246.27

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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.