Home / 8,284.40-11,432.52-4,747.76

Finding the Fourth Proportional to 8,284.40, 11,432.52 and 4,747.76

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Solution

The fourth proportional to 8,284.40, 11,432.52 and 4,747.76 is: 6,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.40 : 11,432.52 = 4,747.76 : x
  2. Step 2: Convert to fraction form
    8,284.40/11,432.52 = 4,747.76/x
  3. Step 3: Cross multiply
    8,284.40x = 11,432.52 × 4,747.76
  4. Step 4: Simplify right side
    8,284.40x = 54,278,861.16
  5. Step 5: Solve for x
    x = 54,278,861.16/8,284.40
  6. Step 6: Final answer
    x = 6,551.94

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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.