Home / 7,321.18-10,103.24-4,338.49

Finding the Fourth Proportional to 7,321.18, 10,103.24 and 4,338.49

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Solution

The fourth proportional to 7,321.18, 10,103.24 and 4,338.49 is: 5,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.18 : 10,103.24 = 4,338.49 : x
  2. Step 2: Convert to fraction form
    7,321.18/10,103.24 = 4,338.49/x
  3. Step 3: Cross multiply
    7,321.18x = 10,103.24 × 4,338.49
  4. Step 4: Simplify right side
    7,321.18x = 43,832,805.71
  5. Step 5: Solve for x
    x = 43,832,805.71/7,321.18
  6. Step 6: Final answer
    x = 5,987.12

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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.