Home / 8,971.20-13,451.52-3,774.24

Finding the Fourth Proportional to 8,971.20, 13,451.52 and 3,774.24

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Solution

The fourth proportional to 8,971.20, 13,451.52 and 3,774.24 is: 5,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.20 : 13,451.52 = 3,774.24 : x
  2. Step 2: Convert to fraction form
    8,971.20/13,451.52 = 3,774.24/x
  3. Step 3: Cross multiply
    8,971.20x = 13,451.52 × 3,774.24
  4. Step 4: Simplify right side
    8,971.20x = 50,769,264.84
  5. Step 5: Solve for x
    x = 50,769,264.84/8,971.20
  6. Step 6: Final answer
    x = 5,659.14

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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.