Home / 5,421.29-8,125.66-2,493.45

Finding the Fourth Proportional to 5,421.29, 8,125.66 and 2,493.45

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Solution

The fourth proportional to 5,421.29, 8,125.66 and 2,493.45 is: 3,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.29 : 8,125.66 = 2,493.45 : x
  2. Step 2: Convert to fraction form
    5,421.29/8,125.66 = 2,493.45/x
  3. Step 3: Cross multiply
    5,421.29x = 8,125.66 × 2,493.45
  4. Step 4: Simplify right side
    5,421.29x = 20,260,926.93
  5. Step 5: Solve for x
    x = 20,260,926.93/5,421.29
  6. Step 6: Final answer
    x = 3,737.29

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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.