Home / 5,254.81-7,882.20-1,556.75

Finding the Fourth Proportional to 5,254.81, 7,882.20 and 1,556.75

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Solution

The fourth proportional to 5,254.81, 7,882.20 and 1,556.75 is: 2,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.81 : 7,882.20 = 1,556.75 : x
  2. Step 2: Convert to fraction form
    5,254.81/7,882.20 = 1,556.75/x
  3. Step 3: Cross multiply
    5,254.81x = 7,882.20 × 1,556.75
  4. Step 4: Simplify right side
    5,254.81x = 12,270,634.56
  5. Step 5: Solve for x
    x = 12,270,634.56/5,254.81
  6. Step 6: Final answer
    x = 2,335.13

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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.