Home / 9,760.32-14,640.30-3,519.18

Finding the Fourth Proportional to 9,760.32, 14,640.30 and 3,519.18

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Solution

The fourth proportional to 9,760.32, 14,640.30 and 3,519.18 is: 5,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.32 : 14,640.30 = 3,519.18 : x
  2. Step 2: Convert to fraction form
    9,760.32/14,640.30 = 3,519.18/x
  3. Step 3: Cross multiply
    9,760.32x = 14,640.30 × 3,519.18
  4. Step 4: Simplify right side
    9,760.32x = 51,521,850.95
  5. Step 5: Solve for x
    x = 51,521,850.95/9,760.32
  6. Step 6: Final answer
    x = 5,278.71

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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.