Home / 5,013.36-7,518.96-1,726.56

Finding the Fourth Proportional to 5,013.36, 7,518.96 and 1,726.56

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Solution

The fourth proportional to 5,013.36, 7,518.96 and 1,726.56 is: 2,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.36 : 7,518.96 = 1,726.56 : x
  2. Step 2: Convert to fraction form
    5,013.36/7,518.96 = 1,726.56/x
  3. Step 3: Cross multiply
    5,013.36x = 7,518.96 × 1,726.56
  4. Step 4: Simplify right side
    5,013.36x = 12,981,935.58
  5. Step 5: Solve for x
    x = 12,981,935.58/5,013.36
  6. Step 6: Final answer
    x = 2,589.47

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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.