Home / 7,572.20-10,449.41-4,214.88

Finding the Fourth Proportional to 7,572.20, 10,449.41 and 4,214.88

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Solution

The fourth proportional to 7,572.20, 10,449.41 and 4,214.88 is: 5,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.20 : 10,449.41 = 4,214.88 : x
  2. Step 2: Convert to fraction form
    7,572.20/10,449.41 = 4,214.88/x
  3. Step 3: Cross multiply
    7,572.20x = 10,449.41 × 4,214.88
  4. Step 4: Simplify right side
    7,572.20x = 44,042,988.15
  5. Step 5: Solve for x
    x = 44,042,988.15/7,572.20
  6. Step 6: Final answer
    x = 5,816.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.