Home / 8,942.20-12,340.33-4,908.76

Finding the Fourth Proportional to 8,942.20, 12,340.33 and 4,908.76

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Solution

The fourth proportional to 8,942.20, 12,340.33 and 4,908.76 is: 6,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.20 : 12,340.33 = 4,908.76 : x
  2. Step 2: Convert to fraction form
    8,942.20/12,340.33 = 4,908.76/x
  3. Step 3: Cross multiply
    8,942.20x = 12,340.33 × 4,908.76
  4. Step 4: Simplify right side
    8,942.20x = 60,575,675.17
  5. Step 5: Solve for x
    x = 60,575,675.17/8,942.20
  6. Step 6: Final answer
    x = 6,774.14

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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.