Home / 4,212.27-6,320.67-1,581.56

Finding the Fourth Proportional to 4,212.27, 6,320.67 and 1,581.56

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Solution

The fourth proportional to 4,212.27, 6,320.67 and 1,581.56 is: 2,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.27 : 6,320.67 = 1,581.56 : x
  2. Step 2: Convert to fraction form
    4,212.27/6,320.67 = 1,581.56/x
  3. Step 3: Cross multiply
    4,212.27x = 6,320.67 × 1,581.56
  4. Step 4: Simplify right side
    4,212.27x = 9,996,487.24
  5. Step 5: Solve for x
    x = 9,996,487.24/4,212.27
  6. Step 6: Final answer
    x = 2,373.18

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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.