Home / 8,451.23-11,648.72-6,351.71

Finding the Fourth Proportional to 8,451.23, 11,648.72 and 6,351.71

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Solution

The fourth proportional to 8,451.23, 11,648.72 and 6,351.71 is: 8,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.23 : 11,648.72 = 6,351.71 : x
  2. Step 2: Convert to fraction form
    8,451.23/11,648.72 = 6,351.71/x
  3. Step 3: Cross multiply
    8,451.23x = 11,648.72 × 6,351.71
  4. Step 4: Simplify right side
    8,451.23x = 73,989,291.31
  5. Step 5: Solve for x
    x = 73,989,291.31/8,451.23
  6. Step 6: Final answer
    x = 8,754.85

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Half scale
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Double scale
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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.