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Finding the Fourth Proportional to 7,635.52, 10,523.28 and 4,836.16

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Solution

The fourth proportional to 7,635.52, 10,523.28 and 4,836.16 is: 6,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.52 : 10,523.28 = 4,836.16 : x
  2. Step 2: Convert to fraction form
    7,635.52/10,523.28 = 4,836.16/x
  3. Step 3: Cross multiply
    7,635.52x = 10,523.28 × 4,836.16
  4. Step 4: Simplify right side
    7,635.52x = 50,892,265.80
  5. Step 5: Solve for x
    x = 50,892,265.80/7,635.52
  6. Step 6: Final answer
    x = 6,665.20

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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.