Home / 7,504.86-11,251.17-3,125.46

Finding the Fourth Proportional to 7,504.86, 11,251.17 and 3,125.46

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Solution

The fourth proportional to 7,504.86, 11,251.17 and 3,125.46 is: 4,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.86 : 11,251.17 = 3,125.46 : x
  2. Step 2: Convert to fraction form
    7,504.86/11,251.17 = 3,125.46/x
  3. Step 3: Cross multiply
    7,504.86x = 11,251.17 × 3,125.46
  4. Step 4: Simplify right side
    7,504.86x = 35,165,081.79
  5. Step 5: Solve for x
    x = 35,165,081.79/7,504.86
  6. Step 6: Final answer
    x = 4,685.64

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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.