Home / 6,407.62-9,615.76-2,247.60

Finding the Fourth Proportional to 6,407.62, 9,615.76 and 2,247.60

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Solution

The fourth proportional to 6,407.62, 9,615.76 and 2,247.60 is: 3,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.62 : 9,615.76 = 2,247.60 : x
  2. Step 2: Convert to fraction form
    6,407.62/9,615.76 = 2,247.60/x
  3. Step 3: Cross multiply
    6,407.62x = 9,615.76 × 2,247.60
  4. Step 4: Simplify right side
    6,407.62x = 21,612,382.18
  5. Step 5: Solve for x
    x = 21,612,382.18/6,407.62
  6. Step 6: Final answer
    x = 3,372.92

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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.