Home / 5,449.28-7,517.58-3,210.11

Finding the Fourth Proportional to 5,449.28, 7,517.58 and 3,210.11

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Solution

The fourth proportional to 5,449.28, 7,517.58 and 3,210.11 is: 4,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.28 : 7,517.58 = 3,210.11 : x
  2. Step 2: Convert to fraction form
    5,449.28/7,517.58 = 3,210.11/x
  3. Step 3: Cross multiply
    5,449.28x = 7,517.58 × 3,210.11
  4. Step 4: Simplify right side
    5,449.28x = 24,132,243.24
  5. Step 5: Solve for x
    x = 24,132,243.24/5,449.28
  6. Step 6: Final answer
    x = 4,428.52

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1.5x scale

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.