Home / 8,898.48-12,278.82-4,919.04

Finding the Fourth Proportional to 8,898.48, 12,278.82 and 4,919.04

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Solution

The fourth proportional to 8,898.48, 12,278.82 and 4,919.04 is: 6,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.48 : 12,278.82 = 4,919.04 : x
  2. Step 2: Convert to fraction form
    8,898.48/12,278.82 = 4,919.04/x
  3. Step 3: Cross multiply
    8,898.48x = 12,278.82 × 4,919.04
  4. Step 4: Simplify right side
    8,898.48x = 60,400,006.73
  5. Step 5: Solve for x
    x = 60,400,006.73/8,898.48
  6. Step 6: Final answer
    x = 6,787.68

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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.