Home / 8,386.24-12,579.36-3,766

Finding the Fourth Proportional to 8,386.24, 12,579.36 and 3,766

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Solution

The fourth proportional to 8,386.24, 12,579.36 and 3,766 is: 5,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.24 : 12,579.36 = 3,766 : x
  2. Step 2: Convert to fraction form
    8,386.24/12,579.36 = 3,766/x
  3. Step 3: Cross multiply
    8,386.24x = 12,579.36 × 3,766
  4. Step 4: Simplify right side
    8,386.24x = 47,373,869.76
  5. Step 5: Solve for x
    x = 47,373,869.76/8,386.24
  6. Step 6: Final answer
    x = 5,649.00

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Similar ratio
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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.