Home / 8,145.54-11,227.14-6,230.70

Finding the Fourth Proportional to 8,145.54, 11,227.14 and 6,230.70

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Solution

The fourth proportional to 8,145.54, 11,227.14 and 6,230.70 is: 8,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.54 : 11,227.14 = 6,230.70 : x
  2. Step 2: Convert to fraction form
    8,145.54/11,227.14 = 6,230.70/x
  3. Step 3: Cross multiply
    8,145.54x = 11,227.14 × 6,230.70
  4. Step 4: Simplify right side
    8,145.54x = 69,952,941.20
  5. Step 5: Solve for x
    x = 69,952,941.20/8,145.54
  6. Step 6: Final answer
    x = 8,587.88

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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.