Home / 7,028.20-10,543.34-2,646.69

Finding the Fourth Proportional to 7,028.20, 10,543.34 and 2,646.69

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Solution

The fourth proportional to 7,028.20, 10,543.34 and 2,646.69 is: 3,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.20 : 10,543.34 = 2,646.69 : x
  2. Step 2: Convert to fraction form
    7,028.20/10,543.34 = 2,646.69/x
  3. Step 3: Cross multiply
    7,028.20x = 10,543.34 × 2,646.69
  4. Step 4: Simplify right side
    7,028.20x = 27,904,952.54
  5. Step 5: Solve for x
    x = 27,904,952.54/7,028.20
  6. Step 6: Final answer
    x = 3,970.43

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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.