Home / 4,242.70-6,355.53-2,162.62

Finding the Fourth Proportional to 4,242.70, 6,355.53 and 2,162.62

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Solution

The fourth proportional to 4,242.70, 6,355.53 and 2,162.62 is: 3,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.70 : 6,355.53 = 2,162.62 : x
  2. Step 2: Convert to fraction form
    4,242.70/6,355.53 = 2,162.62/x
  3. Step 3: Cross multiply
    4,242.70x = 6,355.53 × 2,162.62
  4. Step 4: Simplify right side
    4,242.70x = 13,744,596.29
  5. Step 5: Solve for x
    x = 13,744,596.29/4,242.70
  6. Step 6: Final answer
    x = 3,239.59

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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.