Home / 5,354.28-8,032.62-1,891.56

Finding the Fourth Proportional to 5,354.28, 8,032.62 and 1,891.56

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Solution

The fourth proportional to 5,354.28, 8,032.62 and 1,891.56 is: 2,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.28 : 8,032.62 = 1,891.56 : x
  2. Step 2: Convert to fraction form
    5,354.28/8,032.62 = 1,891.56/x
  3. Step 3: Cross multiply
    5,354.28x = 8,032.62 × 1,891.56
  4. Step 4: Simplify right side
    5,354.28x = 15,194,182.69
  5. Step 5: Solve for x
    x = 15,194,182.69/5,354.28
  6. Step 6: Final answer
    x = 2,837.76

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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.