Home / 4,266.27-6,400.85-1,667.79

Finding the Fourth Proportional to 4,266.27, 6,400.85 and 1,667.79

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Solution

The fourth proportional to 4,266.27, 6,400.85 and 1,667.79 is: 2,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.27 : 6,400.85 = 1,667.79 : x
  2. Step 2: Convert to fraction form
    4,266.27/6,400.85 = 1,667.79/x
  3. Step 3: Cross multiply
    4,266.27x = 6,400.85 × 1,667.79
  4. Step 4: Simplify right side
    4,266.27x = 10,675,265.28
  5. Step 5: Solve for x
    x = 10,675,265.28/4,266.27
  6. Step 6: Final answer
    x = 2,502.25

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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.