Home / 5,303.28-7,321.82-3,418.11

Finding the Fourth Proportional to 5,303.28, 7,321.82 and 3,418.11

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Solution

The fourth proportional to 5,303.28, 7,321.82 and 3,418.11 is: 4,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.28 : 7,321.82 = 3,418.11 : x
  2. Step 2: Convert to fraction form
    5,303.28/7,321.82 = 3,418.11/x
  3. Step 3: Cross multiply
    5,303.28x = 7,321.82 × 3,418.11
  4. Step 4: Simplify right side
    5,303.28x = 25,026,769.07
  5. Step 5: Solve for x
    x = 25,026,769.07/5,303.28
  6. Step 6: Final answer
    x = 4,719.11

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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.