Home / 8,215.24-11,337.02-4,489.24

Finding the Fourth Proportional to 8,215.24, 11,337.02 and 4,489.24

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Solution

The fourth proportional to 8,215.24, 11,337.02 and 4,489.24 is: 6,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.24 : 11,337.02 = 4,489.24 : x
  2. Step 2: Convert to fraction form
    8,215.24/11,337.02 = 4,489.24/x
  3. Step 3: Cross multiply
    8,215.24x = 11,337.02 × 4,489.24
  4. Step 4: Simplify right side
    8,215.24x = 50,894,530.15
  5. Step 5: Solve for x
    x = 50,894,530.15/8,215.24
  6. Step 6: Final answer
    x = 6,195.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.