Home / 7,272.04-10,909.68-2,655.04

Finding the Fourth Proportional to 7,272.04, 10,909.68 and 2,655.04

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Solution

The fourth proportional to 7,272.04, 10,909.68 and 2,655.04 is: 3,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.04 : 10,909.68 = 2,655.04 : x
  2. Step 2: Convert to fraction form
    7,272.04/10,909.68 = 2,655.04/x
  3. Step 3: Cross multiply
    7,272.04x = 10,909.68 × 2,655.04
  4. Step 4: Simplify right side
    7,272.04x = 28,965,636.79
  5. Step 5: Solve for x
    x = 28,965,636.79/7,272.04
  6. Step 6: Final answer
    x = 3,983.15

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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.