Home / 8,098.47-12,145.53-3,418.51

Finding the Fourth Proportional to 8,098.47, 12,145.53 and 3,418.51

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Solution

The fourth proportional to 8,098.47, 12,145.53 and 3,418.51 is: 5,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.47 : 12,145.53 = 3,418.51 : x
  2. Step 2: Convert to fraction form
    8,098.47/12,145.53 = 3,418.51/x
  3. Step 3: Cross multiply
    8,098.47x = 12,145.53 × 3,418.51
  4. Step 4: Simplify right side
    8,098.47x = 41,519,598.67
  5. Step 5: Solve for x
    x = 41,519,598.67/8,098.47
  6. Step 6: Final answer
    x = 5,126.84

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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.