Home / 7,446.15-11,142.57-6,448.95

Finding the Fourth Proportional to 7,446.15, 11,142.57 and 6,448.95

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Solution

The fourth proportional to 7,446.15, 11,142.57 and 6,448.95 is: 9,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.15 : 11,142.57 = 6,448.95 : x
  2. Step 2: Convert to fraction form
    7,446.15/11,142.57 = 6,448.95/x
  3. Step 3: Cross multiply
    7,446.15x = 11,142.57 × 6,448.95
  4. Step 4: Simplify right side
    7,446.15x = 71,857,876.80
  5. Step 5: Solve for x
    x = 71,857,876.80/7,446.15
  6. Step 6: Final answer
    x = 9,650.34

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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.