Home / 5,625.93-8,421.17-3,860.61

Finding the Fourth Proportional to 5,625.93, 8,421.17 and 3,860.61

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Solution

The fourth proportional to 5,625.93, 8,421.17 and 3,860.61 is: 5,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.93 : 8,421.17 = 3,860.61 : x
  2. Step 2: Convert to fraction form
    5,625.93/8,421.17 = 3,860.61/x
  3. Step 3: Cross multiply
    5,625.93x = 8,421.17 × 3,860.61
  4. Step 4: Simplify right side
    5,625.93x = 32,510,839.74
  5. Step 5: Solve for x
    x = 32,510,839.74/5,625.93
  6. Step 6: Final answer
    x = 5,778.75

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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.