Home / 5,306.48-7,959.40-2,185.52

Finding the Fourth Proportional to 5,306.48, 7,959.40 and 2,185.52

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Solution

The fourth proportional to 5,306.48, 7,959.40 and 2,185.52 is: 3,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.48 : 7,959.40 = 2,185.52 : x
  2. Step 2: Convert to fraction form
    5,306.48/7,959.40 = 2,185.52/x
  3. Step 3: Cross multiply
    5,306.48x = 7,959.40 × 2,185.52
  4. Step 4: Simplify right side
    5,306.48x = 17,395,427.89
  5. Step 5: Solve for x
    x = 17,395,427.89/5,306.48
  6. Step 6: Final answer
    x = 3,278.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.