Home / 6,481.02-9,719.13-2,319.90

Finding the Fourth Proportional to 6,481.02, 9,719.13 and 2,319.90

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Solution

The fourth proportional to 6,481.02, 9,719.13 and 2,319.90 is: 3,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.02 : 9,719.13 = 2,319.90 : x
  2. Step 2: Convert to fraction form
    6,481.02/9,719.13 = 2,319.90/x
  3. Step 3: Cross multiply
    6,481.02x = 9,719.13 × 2,319.90
  4. Step 4: Simplify right side
    6,481.02x = 22,547,409.69
  5. Step 5: Solve for x
    x = 22,547,409.69/6,481.02
  6. Step 6: Final answer
    x = 3,478.99

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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.