Home / 4,268.61-6,400.38-1,669.71

Finding the Fourth Proportional to 4,268.61, 6,400.38 and 1,669.71

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Solution

The fourth proportional to 4,268.61, 6,400.38 and 1,669.71 is: 2,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.61 : 6,400.38 = 1,669.71 : x
  2. Step 2: Convert to fraction form
    4,268.61/6,400.38 = 1,669.71/x
  3. Step 3: Cross multiply
    4,268.61x = 6,400.38 × 1,669.71
  4. Step 4: Simplify right side
    4,268.61x = 10,686,778.49
  5. Step 5: Solve for x
    x = 10,686,778.49/4,268.61
  6. Step 6: Final answer
    x = 2,503.57

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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.