Home / 8,968.56-13,452.92-3,125.16

Finding the Fourth Proportional to 8,968.56, 13,452.92 and 3,125.16

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Solution

The fourth proportional to 8,968.56, 13,452.92 and 3,125.16 is: 4,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.56 : 13,452.92 = 3,125.16 : x
  2. Step 2: Convert to fraction form
    8,968.56/13,452.92 = 3,125.16/x
  3. Step 3: Cross multiply
    8,968.56x = 13,452.92 × 3,125.16
  4. Step 4: Simplify right side
    8,968.56x = 42,042,527.47
  5. Step 5: Solve for x
    x = 42,042,527.47/8,968.56
  6. Step 6: Final answer
    x = 4,687.77

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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.