Home / 8,425.17-11,624.19-4,887.72

Finding the Fourth Proportional to 8,425.17, 11,624.19 and 4,887.72

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Solution

The fourth proportional to 8,425.17, 11,624.19 and 4,887.72 is: 6,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.17 : 11,624.19 = 4,887.72 : x
  2. Step 2: Convert to fraction form
    8,425.17/11,624.19 = 4,887.72/x
  3. Step 3: Cross multiply
    8,425.17x = 11,624.19 × 4,887.72
  4. Step 4: Simplify right side
    8,425.17x = 56,815,785.95
  5. Step 5: Solve for x
    x = 56,815,785.95/8,425.17
  6. Step 6: Final answer
    x = 6,743.58

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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.