Home / 8,146.76-12,218.55-2,598.62

Finding the Fourth Proportional to 8,146.76, 12,218.55 and 2,598.62

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Solution

The fourth proportional to 8,146.76, 12,218.55 and 2,598.62 is: 3,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.76 : 12,218.55 = 2,598.62 : x
  2. Step 2: Convert to fraction form
    8,146.76/12,218.55 = 2,598.62/x
  3. Step 3: Cross multiply
    8,146.76x = 12,218.55 × 2,598.62
  4. Step 4: Simplify right side
    8,146.76x = 31,751,297.56
  5. Step 5: Solve for x
    x = 31,751,297.56/8,146.76
  6. Step 6: Final answer
    x = 3,897.41

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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.