Home / 4,209.42-6,315.75-1,614.18

Finding the Fourth Proportional to 4,209.42, 6,315.75 and 1,614.18

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Solution

The fourth proportional to 4,209.42, 6,315.75 and 1,614.18 is: 2,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.42 : 6,315.75 = 1,614.18 : x
  2. Step 2: Convert to fraction form
    4,209.42/6,315.75 = 1,614.18/x
  3. Step 3: Cross multiply
    4,209.42x = 6,315.75 × 1,614.18
  4. Step 4: Simplify right side
    4,209.42x = 10,194,757.34
  5. Step 5: Solve for x
    x = 10,194,757.34/4,209.42
  6. Step 6: Final answer
    x = 2,421.89

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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.