Home / 7,019.28-10,531.96-3,324.13

Finding the Fourth Proportional to 7,019.28, 10,531.96 and 3,324.13

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Solution

The fourth proportional to 7,019.28, 10,531.96 and 3,324.13 is: 4,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.28 : 10,531.96 = 3,324.13 : x
  2. Step 2: Convert to fraction form
    7,019.28/10,531.96 = 3,324.13/x
  3. Step 3: Cross multiply
    7,019.28x = 10,531.96 × 3,324.13
  4. Step 4: Simplify right side
    7,019.28x = 35,009,569.55
  5. Step 5: Solve for x
    x = 35,009,569.55/7,019.28
  6. Step 6: Final answer
    x = 4,987.63

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1.5x scale

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.