Home / 5,098.86-7,643.13-3,455.58

Finding the Fourth Proportional to 5,098.86, 7,643.13 and 3,455.58

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Solution

The fourth proportional to 5,098.86, 7,643.13 and 3,455.58 is: 5,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.86 : 7,643.13 = 3,455.58 : x
  2. Step 2: Convert to fraction form
    5,098.86/7,643.13 = 3,455.58/x
  3. Step 3: Cross multiply
    5,098.86x = 7,643.13 × 3,455.58
  4. Step 4: Simplify right side
    5,098.86x = 26,411,447.17
  5. Step 5: Solve for x
    x = 26,411,447.17/5,098.86
  6. Step 6: Final answer
    x = 5,179.87

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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.