Home / 8,523.18-12,780.09-2,975.04

Finding the Fourth Proportional to 8,523.18, 12,780.09 and 2,975.04

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Solution

The fourth proportional to 8,523.18, 12,780.09 and 2,975.04 is: 4,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.18 : 12,780.09 = 2,975.04 : x
  2. Step 2: Convert to fraction form
    8,523.18/12,780.09 = 2,975.04/x
  3. Step 3: Cross multiply
    8,523.18x = 12,780.09 × 2,975.04
  4. Step 4: Simplify right side
    8,523.18x = 38,021,278.95
  5. Step 5: Solve for x
    x = 38,021,278.95/8,523.18
  6. Step 6: Final answer
    x = 4,460.93

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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.