Home / 5,053.19-7,578.77-1,766.61

Finding the Fourth Proportional to 5,053.19, 7,578.77 and 1,766.61

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Solution

The fourth proportional to 5,053.19, 7,578.77 and 1,766.61 is: 2,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.19 : 7,578.77 = 1,766.61 : x
  2. Step 2: Convert to fraction form
    5,053.19/7,578.77 = 1,766.61/x
  3. Step 3: Cross multiply
    5,053.19x = 7,578.77 × 1,766.61
  4. Step 4: Simplify right side
    5,053.19x = 13,388,722.04
  5. Step 5: Solve for x
    x = 13,388,722.04/5,053.19
  6. Step 6: Final answer
    x = 2,649.56

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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.