Home / 8,154.92-12,216.82-4,397.37

Finding the Fourth Proportional to 8,154.92, 12,216.82 and 4,397.37

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Solution

The fourth proportional to 8,154.92, 12,216.82 and 4,397.37 is: 6,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.92 : 12,216.82 = 4,397.37 : x
  2. Step 2: Convert to fraction form
    8,154.92/12,216.82 = 4,397.37/x
  3. Step 3: Cross multiply
    8,154.92x = 12,216.82 × 4,397.37
  4. Step 4: Simplify right side
    8,154.92x = 53,721,877.76
  5. Step 5: Solve for x
    x = 53,721,877.76/8,154.92
  6. Step 6: Final answer
    x = 6,587.66

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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.