Home / 8,433.48-12,650.19-2,886.87

Finding the Fourth Proportional to 8,433.48, 12,650.19 and 2,886.87

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Solution

The fourth proportional to 8,433.48, 12,650.19 and 2,886.87 is: 4,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.48 : 12,650.19 = 2,886.87 : x
  2. Step 2: Convert to fraction form
    8,433.48/12,650.19 = 2,886.87/x
  3. Step 3: Cross multiply
    8,433.48x = 12,650.19 × 2,886.87
  4. Step 4: Simplify right side
    8,433.48x = 36,519,454.01
  5. Step 5: Solve for x
    x = 36,519,454.01/8,433.48
  6. Step 6: Final answer
    x = 4,330.29

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Double scale
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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.