Home / 8,770.12-13,155.19-2,926.74

Finding the Fourth Proportional to 8,770.12, 13,155.19 and 2,926.74

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Solution

The fourth proportional to 8,770.12, 13,155.19 and 2,926.74 is: 4,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.12 : 13,155.19 = 2,926.74 : x
  2. Step 2: Convert to fraction form
    8,770.12/13,155.19 = 2,926.74/x
  3. Step 3: Cross multiply
    8,770.12x = 13,155.19 × 2,926.74
  4. Step 4: Simplify right side
    8,770.12x = 38,501,820.78
  5. Step 5: Solve for x
    x = 38,501,820.78/8,770.12
  6. Step 6: Final answer
    x = 4,390.11

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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.