Home / 5,254.28-7,882.56-1,556.79

Finding the Fourth Proportional to 5,254.28, 7,882.56 and 1,556.79

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Solution

The fourth proportional to 5,254.28, 7,882.56 and 1,556.79 is: 2,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.28 : 7,882.56 = 1,556.79 : x
  2. Step 2: Convert to fraction form
    5,254.28/7,882.56 = 1,556.79/x
  3. Step 3: Cross multiply
    5,254.28x = 7,882.56 × 1,556.79
  4. Step 4: Simplify right side
    5,254.28x = 12,271,490.58
  5. Step 5: Solve for x
    x = 12,271,490.58/5,254.28
  6. Step 6: Final answer
    x = 2,335.52

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1.5x scale

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.