Home / 8,680.28-11,977.98-4,902.44

Finding the Fourth Proportional to 8,680.28, 11,977.98 and 4,902.44

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Solution

The fourth proportional to 8,680.28, 11,977.98 and 4,902.44 is: 6,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.28 : 11,977.98 = 4,902.44 : x
  2. Step 2: Convert to fraction form
    8,680.28/11,977.98 = 4,902.44/x
  3. Step 3: Cross multiply
    8,680.28x = 11,977.98 × 4,902.44
  4. Step 4: Simplify right side
    8,680.28x = 58,721,328.27
  5. Step 5: Solve for x
    x = 58,721,328.27/8,680.28
  6. Step 6: Final answer
    x = 6,764.91

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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.