Home / 5,053.65-7,581.50-2,131.95

Finding the Fourth Proportional to 5,053.65, 7,581.50 and 2,131.95

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Solution

The fourth proportional to 5,053.65, 7,581.50 and 2,131.95 is: 3,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.65 : 7,581.50 = 2,131.95 : x
  2. Step 2: Convert to fraction form
    5,053.65/7,581.50 = 2,131.95/x
  3. Step 3: Cross multiply
    5,053.65x = 7,581.50 × 2,131.95
  4. Step 4: Simplify right side
    5,053.65x = 16,163,378.93
  5. Step 5: Solve for x
    x = 16,163,378.93/5,053.65
  6. Step 6: Final answer
    x = 3,198.36

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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.