Home / 8,449.40-12,669.76-2,901.25

Finding the Fourth Proportional to 8,449.40, 12,669.76 and 2,901.25

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Solution

The fourth proportional to 8,449.40, 12,669.76 and 2,901.25 is: 4,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.40 : 12,669.76 = 2,901.25 : x
  2. Step 2: Convert to fraction form
    8,449.40/12,669.76 = 2,901.25/x
  3. Step 3: Cross multiply
    8,449.40x = 12,669.76 × 2,901.25
  4. Step 4: Simplify right side
    8,449.40x = 36,758,102.27
  5. Step 5: Solve for x
    x = 36,758,102.27/8,449.40
  6. Step 6: Final answer
    x = 4,350.38

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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.