Home / 5,418.48-7,478.04-3,293.55

Finding the Fourth Proportional to 5,418.48, 7,478.04 and 3,293.55

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Solution

The fourth proportional to 5,418.48, 7,478.04 and 3,293.55 is: 4,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.48 : 7,478.04 = 3,293.55 : x
  2. Step 2: Convert to fraction form
    5,418.48/7,478.04 = 3,293.55/x
  3. Step 3: Cross multiply
    5,418.48x = 7,478.04 × 3,293.55
  4. Step 4: Simplify right side
    5,418.48x = 24,629,298.64
  5. Step 5: Solve for x
    x = 24,629,298.64/5,418.48
  6. Step 6: Final answer
    x = 4,545.43

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1.5x scale

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.