Home / 4,169.28-6,250.81-1,394.31

Finding the Fourth Proportional to 4,169.28, 6,250.81 and 1,394.31

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Solution

The fourth proportional to 4,169.28, 6,250.81 and 1,394.31 is: 2,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.28 : 6,250.81 = 1,394.31 : x
  2. Step 2: Convert to fraction form
    4,169.28/6,250.81 = 1,394.31/x
  3. Step 3: Cross multiply
    4,169.28x = 6,250.81 × 1,394.31
  4. Step 4: Simplify right side
    4,169.28x = 8,715,528.67
  5. Step 5: Solve for x
    x = 8,715,528.67/4,169.28
  6. Step 6: Final answer
    x = 2,090.42

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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.