Home / 8,386.93-12,581.91-3,453.88

Finding the Fourth Proportional to 8,386.93, 12,581.91 and 3,453.88

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Solution

The fourth proportional to 8,386.93, 12,581.91 and 3,453.88 is: 5,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.93 : 12,581.91 = 3,453.88 : x
  2. Step 2: Convert to fraction form
    8,386.93/12,581.91 = 3,453.88/x
  3. Step 3: Cross multiply
    8,386.93x = 12,581.91 × 3,453.88
  4. Step 4: Simplify right side
    8,386.93x = 43,456,407.31
  5. Step 5: Solve for x
    x = 43,456,407.31/8,386.93
  6. Step 6: Final answer
    x = 5,181.44

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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.