Home / 8,388.36-12,586.13-2,842.29

Finding the Fourth Proportional to 8,388.36, 12,586.13 and 2,842.29

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Solution

The fourth proportional to 8,388.36, 12,586.13 and 2,842.29 is: 4,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.36 : 12,586.13 = 2,842.29 : x
  2. Step 2: Convert to fraction form
    8,388.36/12,586.13 = 2,842.29/x
  3. Step 3: Cross multiply
    8,388.36x = 12,586.13 × 2,842.29
  4. Step 4: Simplify right side
    8,388.36x = 35,773,431.44
  5. Step 5: Solve for x
    x = 35,773,431.44/8,388.36
  6. Step 6: Final answer
    x = 4,264.65

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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.