Home / 3,247.07-4,876.07-3,221.55

Finding the Fourth Proportional to 3,247.07, 4,876.07 and 3,221.55

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Solution

The fourth proportional to 3,247.07, 4,876.07 and 3,221.55 is: 4,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.07 : 4,876.07 = 3,221.55 : x
  2. Step 2: Convert to fraction form
    3,247.07/4,876.07 = 3,221.55/x
  3. Step 3: Cross multiply
    3,247.07x = 4,876.07 × 3,221.55
  4. Step 4: Simplify right side
    3,247.07x = 15,708,503.31
  5. Step 5: Solve for x
    x = 15,708,503.31/3,247.07
  6. Step 6: Final answer
    x = 4,837.75

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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.