Home / 5,012.80-7,519.36-1,726.08

Finding the Fourth Proportional to 5,012.80, 7,519.36 and 1,726.08

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Solution

The fourth proportional to 5,012.80, 7,519.36 and 1,726.08 is: 2,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.80 : 7,519.36 = 1,726.08 : x
  2. Step 2: Convert to fraction form
    5,012.80/7,519.36 = 1,726.08/x
  3. Step 3: Cross multiply
    5,012.80x = 7,519.36 × 1,726.08
  4. Step 4: Simplify right side
    5,012.80x = 12,979,016.91
  5. Step 5: Solve for x
    x = 12,979,016.91/5,012.80
  6. Step 6: Final answer
    x = 2,589.18

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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.