Home / 8,877.26-12,246.90-6,226.40

Finding the Fourth Proportional to 8,877.26, 12,246.90 and 6,226.40

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Solution

The fourth proportional to 8,877.26, 12,246.90 and 6,226.40 is: 8,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.26 : 12,246.90 = 6,226.40 : x
  2. Step 2: Convert to fraction form
    8,877.26/12,246.90 = 6,226.40/x
  3. Step 3: Cross multiply
    8,877.26x = 12,246.90 × 6,226.40
  4. Step 4: Simplify right side
    8,877.26x = 76,254,098.16
  5. Step 5: Solve for x
    x = 76,254,098.16/8,877.26
  6. Step 6: Final answer
    x = 8,589.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.