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Finding the Fourth Proportional to 9,240.52, 12,750.93 and 5,463.83

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Solution

The fourth proportional to 9,240.52, 12,750.93 and 5,463.83 is: 7,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.52 : 12,750.93 = 5,463.83 : x
  2. Step 2: Convert to fraction form
    9,240.52/12,750.93 = 5,463.83/x
  3. Step 3: Cross multiply
    9,240.52x = 12,750.93 × 5,463.83
  4. Step 4: Simplify right side
    9,240.52x = 69,668,850.11
  5. Step 5: Solve for x
    x = 69,668,850.11/9,240.52
  6. Step 6: Final answer
    x = 7,539.50

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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.