Home / 7,214.11-10,821.20-2,284.20

Finding the Fourth Proportional to 7,214.11, 10,821.20 and 2,284.20

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Solution

The fourth proportional to 7,214.11, 10,821.20 and 2,284.20 is: 3,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.11 : 10,821.20 = 2,284.20 : x
  2. Step 2: Convert to fraction form
    7,214.11/10,821.20 = 2,284.20/x
  3. Step 3: Cross multiply
    7,214.11x = 10,821.20 × 2,284.20
  4. Step 4: Simplify right side
    7,214.11x = 24,717,773.62
  5. Step 5: Solve for x
    x = 24,717,773.62/7,214.11
  6. Step 6: Final answer
    x = 3,426.31

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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.