Home / 4,307.92-6,456.12-2,662.48

Finding the Fourth Proportional to 4,307.92, 6,456.12 and 2,662.48

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Solution

The fourth proportional to 4,307.92, 6,456.12 and 2,662.48 is: 3,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.92 : 6,456.12 = 2,662.48 : x
  2. Step 2: Convert to fraction form
    4,307.92/6,456.12 = 2,662.48/x
  3. Step 3: Cross multiply
    4,307.92x = 6,456.12 × 2,662.48
  4. Step 4: Simplify right side
    4,307.92x = 17,189,290.38
  5. Step 5: Solve for x
    x = 17,189,290.38/4,307.92
  6. Step 6: Final answer
    x = 3,990.16

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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.