Home / 8,624.56-12,935.76-3,426.52

Finding the Fourth Proportional to 8,624.56, 12,935.76 and 3,426.52

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Solution

The fourth proportional to 8,624.56, 12,935.76 and 3,426.52 is: 5,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.56 : 12,935.76 = 3,426.52 : x
  2. Step 2: Convert to fraction form
    8,624.56/12,935.76 = 3,426.52/x
  3. Step 3: Cross multiply
    8,624.56x = 12,935.76 × 3,426.52
  4. Step 4: Simplify right side
    8,624.56x = 44,324,640.36
  5. Step 5: Solve for x
    x = 44,324,640.36/8,624.56
  6. Step 6: Final answer
    x = 5,139.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.