Home / 8,211.24-12,309.50-3,013.48

Finding the Fourth Proportional to 8,211.24, 12,309.50 and 3,013.48

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Solution

The fourth proportional to 8,211.24, 12,309.50 and 3,013.48 is: 4,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.24 : 12,309.50 = 3,013.48 : x
  2. Step 2: Convert to fraction form
    8,211.24/12,309.50 = 3,013.48/x
  3. Step 3: Cross multiply
    8,211.24x = 12,309.50 × 3,013.48
  4. Step 4: Simplify right side
    8,211.24x = 37,094,432.06
  5. Step 5: Solve for x
    x = 37,094,432.06/8,211.24
  6. Step 6: Final answer
    x = 4,517.52

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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.