Home / 7,253.21-10,861.99-3,543.48

Finding the Fourth Proportional to 7,253.21, 10,861.99 and 3,543.48

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Solution

The fourth proportional to 7,253.21, 10,861.99 and 3,543.48 is: 5,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.21 : 10,861.99 = 3,543.48 : x
  2. Step 2: Convert to fraction form
    7,253.21/10,861.99 = 3,543.48/x
  3. Step 3: Cross multiply
    7,253.21x = 10,861.99 × 3,543.48
  4. Step 4: Simplify right side
    7,253.21x = 38,489,244.33
  5. Step 5: Solve for x
    x = 38,489,244.33/7,253.21
  6. Step 6: Final answer
    x = 5,306.51

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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.