Home / 5,317.67-7,976.43-2,393.90

Finding the Fourth Proportional to 5,317.67, 7,976.43 and 2,393.90

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Solution

The fourth proportional to 5,317.67, 7,976.43 and 2,393.90 is: 3,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.67 : 7,976.43 = 2,393.90 : x
  2. Step 2: Convert to fraction form
    5,317.67/7,976.43 = 2,393.90/x
  3. Step 3: Cross multiply
    5,317.67x = 7,976.43 × 2,393.90
  4. Step 4: Simplify right side
    5,317.67x = 19,094,775.78
  5. Step 5: Solve for x
    x = 19,094,775.78/5,317.67
  6. Step 6: Final answer
    x = 3,590.82

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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.