Home / 8,439.24-12,666.22-3,248.76

Finding the Fourth Proportional to 8,439.24, 12,666.22 and 3,248.76

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Solution

The fourth proportional to 8,439.24, 12,666.22 and 3,248.76 is: 4,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.24 : 12,666.22 = 3,248.76 : x
  2. Step 2: Convert to fraction form
    8,439.24/12,666.22 = 3,248.76/x
  3. Step 3: Cross multiply
    8,439.24x = 12,666.22 × 3,248.76
  4. Step 4: Simplify right side
    8,439.24x = 41,149,495.29
  5. Step 5: Solve for x
    x = 41,149,495.29/8,439.24
  6. Step 6: Final answer
    x = 4,875.97

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1.5x scale

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.