Home / 8,145.17-12,217.82-2,598.56

Finding the Fourth Proportional to 8,145.17, 12,217.82 and 2,598.56

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Solution

The fourth proportional to 8,145.17, 12,217.82 and 2,598.56 is: 3,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.17 : 12,217.82 = 2,598.56 : x
  2. Step 2: Convert to fraction form
    8,145.17/12,217.82 = 2,598.56/x
  3. Step 3: Cross multiply
    8,145.17x = 12,217.82 × 2,598.56
  4. Step 4: Simplify right side
    8,145.17x = 31,748,664.26
  5. Step 5: Solve for x
    x = 31,748,664.26/8,145.17
  6. Step 6: Final answer
    x = 3,897.85

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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.