Home / 8,741.40-13,112.08-2,167.53

Finding the Fourth Proportional to 8,741.40, 13,112.08 and 2,167.53

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Solution

The fourth proportional to 8,741.40, 13,112.08 and 2,167.53 is: 3,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.40 : 13,112.08 = 2,167.53 : x
  2. Step 2: Convert to fraction form
    8,741.40/13,112.08 = 2,167.53/x
  3. Step 3: Cross multiply
    8,741.40x = 13,112.08 × 2,167.53
  4. Step 4: Simplify right side
    8,741.40x = 28,420,826.76
  5. Step 5: Solve for x
    x = 28,420,826.76/8,741.40
  6. Step 6: Final answer
    x = 3,251.29

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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.