Home / 5,306.28-7,321.78-2,948.36

Finding the Fourth Proportional to 5,306.28, 7,321.78 and 2,948.36

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Solution

The fourth proportional to 5,306.28, 7,321.78 and 2,948.36 is: 4,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.28 : 7,321.78 = 2,948.36 : x
  2. Step 2: Convert to fraction form
    5,306.28/7,321.78 = 2,948.36/x
  3. Step 3: Cross multiply
    5,306.28x = 7,321.78 × 2,948.36
  4. Step 4: Simplify right side
    5,306.28x = 21,587,243.28
  5. Step 5: Solve for x
    x = 21,587,243.28/5,306.28
  6. Step 6: Final answer
    x = 4,068.24

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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.