Home / 7,213.96-10,821.85-2,281.82

Finding the Fourth Proportional to 7,213.96, 10,821.85 and 2,281.82

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Solution

The fourth proportional to 7,213.96, 10,821.85 and 2,281.82 is: 3,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.96 : 10,821.85 = 2,281.82 : x
  2. Step 2: Convert to fraction form
    7,213.96/10,821.85 = 2,281.82/x
  3. Step 3: Cross multiply
    7,213.96x = 10,821.85 × 2,281.82
  4. Step 4: Simplify right side
    7,213.96x = 24,693,448.25
  5. Step 5: Solve for x
    x = 24,693,448.25/7,213.96
  6. Step 6: Final answer
    x = 3,423.01

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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.