Home / 8,745.29-13,119.96-2,901.92

Finding the Fourth Proportional to 8,745.29, 13,119.96 and 2,901.92

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Solution

The fourth proportional to 8,745.29, 13,119.96 and 2,901.92 is: 4,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.29 : 13,119.96 = 2,901.92 : x
  2. Step 2: Convert to fraction form
    8,745.29/13,119.96 = 2,901.92/x
  3. Step 3: Cross multiply
    8,745.29x = 13,119.96 × 2,901.92
  4. Step 4: Simplify right side
    8,745.29x = 38,073,008.72
  5. Step 5: Solve for x
    x = 38,073,008.72/8,745.29
  6. Step 6: Final answer
    x = 4,353.55

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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.