Home / 8,166.74-12,244.85-3,489.80

Finding the Fourth Proportional to 8,166.74, 12,244.85 and 3,489.80

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Solution

The fourth proportional to 8,166.74, 12,244.85 and 3,489.80 is: 5,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.74 : 12,244.85 = 3,489.80 : x
  2. Step 2: Convert to fraction form
    8,166.74/12,244.85 = 3,489.80/x
  3. Step 3: Cross multiply
    8,166.74x = 12,244.85 × 3,489.80
  4. Step 4: Simplify right side
    8,166.74x = 42,732,060.08
  5. Step 5: Solve for x
    x = 42,732,060.08/8,166.74
  6. Step 6: Final answer
    x = 5,232.45

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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.