Home / 5,680.48-7,839-3,162.54

Finding the Fourth Proportional to 5,680.48, 7,839 and 3,162.54

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Solution

The fourth proportional to 5,680.48, 7,839 and 3,162.54 is: 4,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.48 : 7,839 = 3,162.54 : x
  2. Step 2: Convert to fraction form
    5,680.48/7,839 = 3,162.54/x
  3. Step 3: Cross multiply
    5,680.48x = 7,839 × 3,162.54
  4. Step 4: Simplify right side
    5,680.48x = 24,791,111.87
  5. Step 5: Solve for x
    x = 24,791,111.87/5,680.48
  6. Step 6: Final answer
    x = 4,364.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.