Home / 8,445.65-12,666.24-2,521.13

Finding the Fourth Proportional to 8,445.65, 12,666.24 and 2,521.13

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Solution

The fourth proportional to 8,445.65, 12,666.24 and 2,521.13 is: 3,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.65 : 12,666.24 = 2,521.13 : x
  2. Step 2: Convert to fraction form
    8,445.65/12,666.24 = 2,521.13/x
  3. Step 3: Cross multiply
    8,445.65x = 12,666.24 × 2,521.13
  4. Step 4: Simplify right side
    8,445.65x = 31,933,237.65
  5. Step 5: Solve for x
    x = 31,933,237.65/8,445.65
  6. Step 6: Final answer
    x = 3,781.03

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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.