Home / 5,678.24-7,837.25-3,161.25

Finding the Fourth Proportional to 5,678.24, 7,837.25 and 3,161.25

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Solution

The fourth proportional to 5,678.24, 7,837.25 and 3,161.25 is: 4,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.24 : 7,837.25 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    5,678.24/7,837.25 = 3,161.25/x
  3. Step 3: Cross multiply
    5,678.24x = 7,837.25 × 3,161.25
  4. Step 4: Simplify right side
    5,678.24x = 24,775,490.76
  5. Step 5: Solve for x
    x = 24,775,490.76/5,678.24
  6. Step 6: Final answer
    x = 4,363.24

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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.