Home / 7,302.13-10,960.99-3,144.20

Finding the Fourth Proportional to 7,302.13, 10,960.99 and 3,144.20

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Solution

The fourth proportional to 7,302.13, 10,960.99 and 3,144.20 is: 4,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.13 : 10,960.99 = 3,144.20 : x
  2. Step 2: Convert to fraction form
    7,302.13/10,960.99 = 3,144.20/x
  3. Step 3: Cross multiply
    7,302.13x = 10,960.99 × 3,144.20
  4. Step 4: Simplify right side
    7,302.13x = 34,463,489.95
  5. Step 5: Solve for x
    x = 34,463,489.95/7,302.13
  6. Step 6: Final answer
    x = 4,719.65

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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.