Home / 8,575.74-12,867.93-3,385.26

Finding the Fourth Proportional to 8,575.74, 12,867.93 and 3,385.26

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Solution

The fourth proportional to 8,575.74, 12,867.93 and 3,385.26 is: 5,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.74 : 12,867.93 = 3,385.26 : x
  2. Step 2: Convert to fraction form
    8,575.74/12,867.93 = 3,385.26/x
  3. Step 3: Cross multiply
    8,575.74x = 12,867.93 × 3,385.26
  4. Step 4: Simplify right side
    8,575.74x = 43,561,288.71
  5. Step 5: Solve for x
    x = 43,561,288.71/8,575.74
  6. Step 6: Final answer
    x = 5,079.60

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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.