Home / 6,453.06-9,679.38-3,549.61

Finding the Fourth Proportional to 6,453.06, 9,679.38 and 3,549.61

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Solution

The fourth proportional to 6,453.06, 9,679.38 and 3,549.61 is: 5,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.06 : 9,679.38 = 3,549.61 : x
  2. Step 2: Convert to fraction form
    6,453.06/9,679.38 = 3,549.61/x
  3. Step 3: Cross multiply
    6,453.06x = 9,679.38 × 3,549.61
  4. Step 4: Simplify right side
    6,453.06x = 34,358,024.04
  5. Step 5: Solve for x
    x = 34,358,024.04/6,453.06
  6. Step 6: Final answer
    x = 5,324.30

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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.