Home / 4,429.79-6,644.23-2,781.34

Finding the Fourth Proportional to 4,429.79, 6,644.23 and 2,781.34

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Solution

The fourth proportional to 4,429.79, 6,644.23 and 2,781.34 is: 4,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.79 : 6,644.23 = 2,781.34 : x
  2. Step 2: Convert to fraction form
    4,429.79/6,644.23 = 2,781.34/x
  3. Step 3: Cross multiply
    4,429.79x = 6,644.23 × 2,781.34
  4. Step 4: Simplify right side
    4,429.79x = 18,479,839.10
  5. Step 5: Solve for x
    x = 18,479,839.10/4,429.79
  6. Step 6: Final answer
    x = 4,171.72

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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.