Home / 8,151.76-12,229.53-2,604.34

Finding the Fourth Proportional to 8,151.76, 12,229.53 and 2,604.34

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Solution

The fourth proportional to 8,151.76, 12,229.53 and 2,604.34 is: 3,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.76 : 12,229.53 = 2,604.34 : x
  2. Step 2: Convert to fraction form
    8,151.76/12,229.53 = 2,604.34/x
  3. Step 3: Cross multiply
    8,151.76x = 12,229.53 × 2,604.34
  4. Step 4: Simplify right side
    8,151.76x = 31,849,854.16
  5. Step 5: Solve for x
    x = 31,849,854.16/8,151.76
  6. Step 6: Final answer
    x = 3,907.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.