Home / 5,393.90-7,443.56-3,036.04

Finding the Fourth Proportional to 5,393.90, 7,443.56 and 3,036.04

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Solution

The fourth proportional to 5,393.90, 7,443.56 and 3,036.04 is: 4,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.90 : 7,443.56 = 3,036.04 : x
  2. Step 2: Convert to fraction form
    5,393.90/7,443.56 = 3,036.04/x
  3. Step 3: Cross multiply
    5,393.90x = 7,443.56 × 3,036.04
  4. Step 4: Simplify right side
    5,393.90x = 22,598,934.88
  5. Step 5: Solve for x
    x = 22,598,934.88/5,393.90
  6. Step 6: Final answer
    x = 4,189.72

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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.