Home / 8,442.18-12,663.28-2,286.18

Finding the Fourth Proportional to 8,442.18, 12,663.28 and 2,286.18

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Solution

The fourth proportional to 8,442.18, 12,663.28 and 2,286.18 is: 3,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.18 : 12,663.28 = 2,286.18 : x
  2. Step 2: Convert to fraction form
    8,442.18/12,663.28 = 2,286.18/x
  3. Step 3: Cross multiply
    8,442.18x = 12,663.28 × 2,286.18
  4. Step 4: Simplify right side
    8,442.18x = 28,950,537.47
  5. Step 5: Solve for x
    x = 28,950,537.47/8,442.18
  6. Step 6: Final answer
    x = 3,429.27

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Half scale
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Double scale
Find fourth proportional to 8,443.18, 12,664.78 and 2,287.18
Similar ratio
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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.