Home / 8,881.23-12,255.90-4,902.11

Finding the Fourth Proportional to 8,881.23, 12,255.90 and 4,902.11

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Solution

The fourth proportional to 8,881.23, 12,255.90 and 4,902.11 is: 6,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.23 : 12,255.90 = 4,902.11 : x
  2. Step 2: Convert to fraction form
    8,881.23/12,255.90 = 4,902.11/x
  3. Step 3: Cross multiply
    8,881.23x = 12,255.90 × 4,902.11
  4. Step 4: Simplify right side
    8,881.23x = 60,079,769.95
  5. Step 5: Solve for x
    x = 60,079,769.95/8,881.23
  6. Step 6: Final answer
    x = 6,764.80

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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.