Home / 4,167.61-6,251.75-1,394.30

Finding the Fourth Proportional to 4,167.61, 6,251.75 and 1,394.30

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Solution

The fourth proportional to 4,167.61, 6,251.75 and 1,394.30 is: 2,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.61 : 6,251.75 = 1,394.30 : x
  2. Step 2: Convert to fraction form
    4,167.61/6,251.75 = 1,394.30/x
  3. Step 3: Cross multiply
    4,167.61x = 6,251.75 × 1,394.30
  4. Step 4: Simplify right side
    4,167.61x = 8,716,815.03
  5. Step 5: Solve for x
    x = 8,716,815.03/4,167.61
  6. Step 6: Final answer
    x = 2,091.56

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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.