Home / 5,317.26-7,976.25-1,807.62

Finding the Fourth Proportional to 5,317.26, 7,976.25 and 1,807.62

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Solution

The fourth proportional to 5,317.26, 7,976.25 and 1,807.62 is: 2,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.26 : 7,976.25 = 1,807.62 : x
  2. Step 2: Convert to fraction form
    5,317.26/7,976.25 = 1,807.62/x
  3. Step 3: Cross multiply
    5,317.26x = 7,976.25 × 1,807.62
  4. Step 4: Simplify right side
    5,317.26x = 14,418,029.03
  5. Step 5: Solve for x
    x = 14,418,029.03/5,317.26
  6. Step 6: Final answer
    x = 2,711.55

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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.