Home / 8,140.02-12,211.88-2,593.68

Finding the Fourth Proportional to 8,140.02, 12,211.88 and 2,593.68

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Solution

The fourth proportional to 8,140.02, 12,211.88 and 2,593.68 is: 3,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.02 : 12,211.88 = 2,593.68 : x
  2. Step 2: Convert to fraction form
    8,140.02/12,211.88 = 2,593.68/x
  3. Step 3: Cross multiply
    8,140.02x = 12,211.88 × 2,593.68
  4. Step 4: Simplify right side
    8,140.02x = 31,673,708.92
  5. Step 5: Solve for x
    x = 31,673,708.92/8,140.02
  6. Step 6: Final answer
    x = 3,891.11

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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.