Home / 5,581.60-8,371.86-3,389.74

Finding the Fourth Proportional to 5,581.60, 8,371.86 and 3,389.74

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Solution

The fourth proportional to 5,581.60, 8,371.86 and 3,389.74 is: 5,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.60 : 8,371.86 = 3,389.74 : x
  2. Step 2: Convert to fraction form
    5,581.60/8,371.86 = 3,389.74/x
  3. Step 3: Cross multiply
    5,581.60x = 8,371.86 × 3,389.74
  4. Step 4: Simplify right side
    5,581.60x = 28,378,428.72
  5. Step 5: Solve for x
    x = 28,378,428.72/5,581.60
  6. Step 6: Final answer
    x = 5,084.28

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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.