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Finding the Fourth Proportional to 7,304.92, 10,940.36 and 5,656.16

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Solution

The fourth proportional to 7,304.92, 10,940.36 and 5,656.16 is: 8,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.92 : 10,940.36 = 5,656.16 : x
  2. Step 2: Convert to fraction form
    7,304.92/10,940.36 = 5,656.16/x
  3. Step 3: Cross multiply
    7,304.92x = 10,940.36 × 5,656.16
  4. Step 4: Simplify right side
    7,304.92x = 61,880,425.69
  5. Step 5: Solve for x
    x = 61,880,425.69/7,304.92
  6. Step 6: Final answer
    x = 8,471.06

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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.