Home / 5,343.23-8,011.78-2,220.62

Finding the Fourth Proportional to 5,343.23, 8,011.78 and 2,220.62

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Solution

The fourth proportional to 5,343.23, 8,011.78 and 2,220.62 is: 3,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.23 : 8,011.78 = 2,220.62 : x
  2. Step 2: Convert to fraction form
    5,343.23/8,011.78 = 2,220.62/x
  3. Step 3: Cross multiply
    5,343.23x = 8,011.78 × 2,220.62
  4. Step 4: Simplify right side
    5,343.23x = 17,791,073.29
  5. Step 5: Solve for x
    x = 17,791,073.29/5,343.23
  6. Step 6: Final answer
    x = 3,329.65

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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.