Home / 7,170.47-10,757.04-3,221.63

Finding the Fourth Proportional to 7,170.47, 10,757.04 and 3,221.63

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Solution

The fourth proportional to 7,170.47, 10,757.04 and 3,221.63 is: 4,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.47 : 10,757.04 = 3,221.63 : x
  2. Step 2: Convert to fraction form
    7,170.47/10,757.04 = 3,221.63/x
  3. Step 3: Cross multiply
    7,170.47x = 10,757.04 × 3,221.63
  4. Step 4: Simplify right side
    7,170.47x = 34,655,148.99
  5. Step 5: Solve for x
    x = 34,655,148.99/7,170.47
  6. Step 6: Final answer
    x = 4,833.04

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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.