Home / 4,230.20-6,343.65-1,456.35

Finding the Fourth Proportional to 4,230.20, 6,343.65 and 1,456.35

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Solution

The fourth proportional to 4,230.20, 6,343.65 and 1,456.35 is: 2,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.20 : 6,343.65 = 1,456.35 : x
  2. Step 2: Convert to fraction form
    4,230.20/6,343.65 = 1,456.35/x
  3. Step 3: Cross multiply
    4,230.20x = 6,343.65 × 1,456.35
  4. Step 4: Simplify right side
    4,230.20x = 9,238,574.68
  5. Step 5: Solve for x
    x = 9,238,574.68/4,230.20
  6. Step 6: Final answer
    x = 2,183.96

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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.