Home / 8,446.08-12,666.04-2,521.20

Finding the Fourth Proportional to 8,446.08, 12,666.04 and 2,521.20

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Solution

The fourth proportional to 8,446.08, 12,666.04 and 2,521.20 is: 3,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.08 : 12,666.04 = 2,521.20 : x
  2. Step 2: Convert to fraction form
    8,446.08/12,666.04 = 2,521.20/x
  3. Step 3: Cross multiply
    8,446.08x = 12,666.04 × 2,521.20
  4. Step 4: Simplify right side
    8,446.08x = 31,933,620.05
  5. Step 5: Solve for x
    x = 31,933,620.05/8,446.08
  6. Step 6: Final answer
    x = 3,780.88

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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.