Home / 8,254.10-12,377.05-2,988.90

Finding the Fourth Proportional to 8,254.10, 12,377.05 and 2,988.90

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Solution

The fourth proportional to 8,254.10, 12,377.05 and 2,988.90 is: 4,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.10 : 12,377.05 = 2,988.90 : x
  2. Step 2: Convert to fraction form
    8,254.10/12,377.05 = 2,988.90/x
  3. Step 3: Cross multiply
    8,254.10x = 12,377.05 × 2,988.90
  4. Step 4: Simplify right side
    8,254.10x = 36,993,774.09
  5. Step 5: Solve for x
    x = 36,993,774.09/8,254.10
  6. Step 6: Final answer
    x = 4,481.87

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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.