Home / 4,426.38-6,640.56-2,086.41

Finding the Fourth Proportional to 4,426.38, 6,640.56 and 2,086.41

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Solution

The fourth proportional to 4,426.38, 6,640.56 and 2,086.41 is: 3,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.38 : 6,640.56 = 2,086.41 : x
  2. Step 2: Convert to fraction form
    4,426.38/6,640.56 = 2,086.41/x
  3. Step 3: Cross multiply
    4,426.38x = 6,640.56 × 2,086.41
  4. Step 4: Simplify right side
    4,426.38x = 13,854,930.79
  5. Step 5: Solve for x
    x = 13,854,930.79/4,426.38
  6. Step 6: Final answer
    x = 3,130.08

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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.