Home / 7,272.22-10,909.38-3,574.66

Finding the Fourth Proportional to 7,272.22, 10,909.38 and 3,574.66

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Solution

The fourth proportional to 7,272.22, 10,909.38 and 3,574.66 is: 5,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.22 : 10,909.38 = 3,574.66 : x
  2. Step 2: Convert to fraction form
    7,272.22/10,909.38 = 3,574.66/x
  3. Step 3: Cross multiply
    7,272.22x = 10,909.38 × 3,574.66
  4. Step 4: Simplify right side
    7,272.22x = 38,997,324.31
  5. Step 5: Solve for x
    x = 38,997,324.31/7,272.22
  6. Step 6: Final answer
    x = 5,362.51

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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.