Home / 8,438.92-11,630.10-6,572.68

Finding the Fourth Proportional to 8,438.92, 11,630.10 and 6,572.68

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Solution

The fourth proportional to 8,438.92, 11,630.10 and 6,572.68 is: 9,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.92 : 11,630.10 = 6,572.68 : x
  2. Step 2: Convert to fraction form
    8,438.92/11,630.10 = 6,572.68/x
  3. Step 3: Cross multiply
    8,438.92x = 11,630.10 × 6,572.68
  4. Step 4: Simplify right side
    8,438.92x = 76,440,925.67
  5. Step 5: Solve for x
    x = 76,440,925.67/8,438.92
  6. Step 6: Final answer
    x = 9,058.14

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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.