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Finding the Fourth Proportional to 7,792.33, 10,753.41 and 4,606.78

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Solution

The fourth proportional to 7,792.33, 10,753.41 and 4,606.78 is: 6,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.33 : 10,753.41 = 4,606.78 : x
  2. Step 2: Convert to fraction form
    7,792.33/10,753.41 = 4,606.78/x
  3. Step 3: Cross multiply
    7,792.33x = 10,753.41 × 4,606.78
  4. Step 4: Simplify right side
    7,792.33x = 49,538,594.12
  5. Step 5: Solve for x
    x = 49,538,594.12/7,792.33
  6. Step 6: Final answer
    x = 6,357.35

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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.