Home / 8,877.40-12,256.56-5,523.88

Finding the Fourth Proportional to 8,877.40, 12,256.56 and 5,523.88

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Solution

The fourth proportional to 8,877.40, 12,256.56 and 5,523.88 is: 7,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.40 : 12,256.56 = 5,523.88 : x
  2. Step 2: Convert to fraction form
    8,877.40/12,256.56 = 5,523.88/x
  3. Step 3: Cross multiply
    8,877.40x = 12,256.56 × 5,523.88
  4. Step 4: Simplify right side
    8,877.40x = 67,703,766.65
  5. Step 5: Solve for x
    x = 67,703,766.65/8,877.40
  6. Step 6: Final answer
    x = 7,626.53

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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.