Home / 5,769.89-7,962.45-3,117.30

Finding the Fourth Proportional to 5,769.89, 7,962.45 and 3,117.30

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Solution

The fourth proportional to 5,769.89, 7,962.45 and 3,117.30 is: 4,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.89 : 7,962.45 = 3,117.30 : x
  2. Step 2: Convert to fraction form
    5,769.89/7,962.45 = 3,117.30/x
  3. Step 3: Cross multiply
    5,769.89x = 7,962.45 × 3,117.30
  4. Step 4: Simplify right side
    5,769.89x = 24,821,345.39
  5. Step 5: Solve for x
    x = 24,821,345.39/5,769.89
  6. Step 6: Final answer
    x = 4,301.87

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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.