Home / 8,187.35-12,283.05-2,641.28

Finding the Fourth Proportional to 8,187.35, 12,283.05 and 2,641.28

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Solution

The fourth proportional to 8,187.35, 12,283.05 and 2,641.28 is: 3,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.35 : 12,283.05 = 2,641.28 : x
  2. Step 2: Convert to fraction form
    8,187.35/12,283.05 = 2,641.28/x
  3. Step 3: Cross multiply
    8,187.35x = 12,283.05 × 2,641.28
  4. Step 4: Simplify right side
    8,187.35x = 32,442,974.30
  5. Step 5: Solve for x
    x = 32,442,974.30/8,187.35
  6. Step 6: Final answer
    x = 3,962.57

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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.