Home / 5,393.48-7,442.80-3,003.55

Finding the Fourth Proportional to 5,393.48, 7,442.80 and 3,003.55

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Solution

The fourth proportional to 5,393.48, 7,442.80 and 3,003.55 is: 4,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.48 : 7,442.80 = 3,003.55 : x
  2. Step 2: Convert to fraction form
    5,393.48/7,442.80 = 3,003.55/x
  3. Step 3: Cross multiply
    5,393.48x = 7,442.80 × 3,003.55
  4. Step 4: Simplify right side
    5,393.48x = 22,354,769.71
  5. Step 5: Solve for x
    x = 22,354,769.71/5,393.48
  6. Step 6: Final answer
    x = 4,144.78

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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.