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Finding the Fourth Proportional to 7,753.92, 10,696.80 and 4,610.24

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Solution

The fourth proportional to 7,753.92, 10,696.80 and 4,610.24 is: 6,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.92 : 10,696.80 = 4,610.24 : x
  2. Step 2: Convert to fraction form
    7,753.92/10,696.80 = 4,610.24/x
  3. Step 3: Cross multiply
    7,753.92x = 10,696.80 × 4,610.24
  4. Step 4: Simplify right side
    7,753.92x = 49,314,815.23
  5. Step 5: Solve for x
    x = 49,314,815.23/7,753.92
  6. Step 6: Final answer
    x = 6,359.99

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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.