Home / 5,450.24-8,177.52-1,987.76

Finding the Fourth Proportional to 5,450.24, 8,177.52 and 1,987.76

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Solution

The fourth proportional to 5,450.24, 8,177.52 and 1,987.76 is: 2,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.24 : 8,177.52 = 1,987.76 : x
  2. Step 2: Convert to fraction form
    5,450.24/8,177.52 = 1,987.76/x
  3. Step 3: Cross multiply
    5,450.24x = 8,177.52 × 1,987.76
  4. Step 4: Simplify right side
    5,450.24x = 16,254,947.16
  5. Step 5: Solve for x
    x = 16,254,947.16/5,450.24
  6. Step 6: Final answer
    x = 2,982.43

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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.