Home / 8,744.90-13,120.38-2,901.96

Finding the Fourth Proportional to 8,744.90, 13,120.38 and 2,901.96

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Solution

The fourth proportional to 8,744.90, 13,120.38 and 2,901.96 is: 4,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.90 : 13,120.38 = 2,901.96 : x
  2. Step 2: Convert to fraction form
    8,744.90/13,120.38 = 2,901.96/x
  3. Step 3: Cross multiply
    8,744.90x = 13,120.38 × 2,901.96
  4. Step 4: Simplify right side
    8,744.90x = 38,074,817.94
  5. Step 5: Solve for x
    x = 38,074,817.94/8,744.90
  6. Step 6: Final answer
    x = 4,353.95

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1.5x scale

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.