Home / 6,864.77-10,291.00-2,481.20

Finding the Fourth Proportional to 6,864.77, 10,291.00 and 2,481.20

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Solution

The fourth proportional to 6,864.77, 10,291.00 and 2,481.20 is: 3,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.77 : 10,291.00 = 2,481.20 : x
  2. Step 2: Convert to fraction form
    6,864.77/10,291.00 = 2,481.20/x
  3. Step 3: Cross multiply
    6,864.77x = 10,291.00 × 2,481.20
  4. Step 4: Simplify right side
    6,864.77x = 25,534,014.79
  5. Step 5: Solve for x
    x = 25,534,014.79/6,864.77
  6. Step 6: Final answer
    x = 3,719.57

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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.