Home / 5,909.78-8,155.87-3,257.18

Finding the Fourth Proportional to 5,909.78, 8,155.87 and 3,257.18

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Solution

The fourth proportional to 5,909.78, 8,155.87 and 3,257.18 is: 4,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.78 : 8,155.87 = 3,257.18 : x
  2. Step 2: Convert to fraction form
    5,909.78/8,155.87 = 3,257.18/x
  3. Step 3: Cross multiply
    5,909.78x = 8,155.87 × 3,257.18
  4. Step 4: Simplify right side
    5,909.78x = 26,565,164.19
  5. Step 5: Solve for x
    x = 26,565,164.19/5,909.78
  6. Step 6: Final answer
    x = 4,495.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.