Home / 5,417.37-8,125.32-2,132.76

Finding the Fourth Proportional to 5,417.37, 8,125.32 and 2,132.76

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Solution

The fourth proportional to 5,417.37, 8,125.32 and 2,132.76 is: 3,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.37 : 8,125.32 = 2,132.76 : x
  2. Step 2: Convert to fraction form
    5,417.37/8,125.32 = 2,132.76/x
  3. Step 3: Cross multiply
    5,417.37x = 8,125.32 × 2,132.76
  4. Step 4: Simplify right side
    5,417.37x = 17,329,357.48
  5. Step 5: Solve for x
    x = 17,329,357.48/5,417.37
  6. Step 6: Final answer
    x = 3,198.85

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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.