Home / 5,493.28-7,580.40-3,103.18

Finding the Fourth Proportional to 5,493.28, 7,580.40 and 3,103.18

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Solution

The fourth proportional to 5,493.28, 7,580.40 and 3,103.18 is: 4,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.28 : 7,580.40 = 3,103.18 : x
  2. Step 2: Convert to fraction form
    5,493.28/7,580.40 = 3,103.18/x
  3. Step 3: Cross multiply
    5,493.28x = 7,580.40 × 3,103.18
  4. Step 4: Simplify right side
    5,493.28x = 23,523,345.67
  5. Step 5: Solve for x
    x = 23,523,345.67/5,493.28
  6. Step 6: Final answer
    x = 4,282.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.