Home / 8,528.31-11,774.87-5,342.92

Finding the Fourth Proportional to 8,528.31, 11,774.87 and 5,342.92

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Solution

The fourth proportional to 8,528.31, 11,774.87 and 5,342.92 is: 7,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.31 : 11,774.87 = 5,342.92 : x
  2. Step 2: Convert to fraction form
    8,528.31/11,774.87 = 5,342.92/x
  3. Step 3: Cross multiply
    8,528.31x = 11,774.87 × 5,342.92
  4. Step 4: Simplify right side
    8,528.31x = 62,912,188.42
  5. Step 5: Solve for x
    x = 62,912,188.42/8,528.31
  6. Step 6: Final answer
    x = 7,376.86

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Double scale
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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.