Home / 4,140.60-5,710.38-3,246.84

Finding the Fourth Proportional to 4,140.60, 5,710.38 and 3,246.84

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Solution

The fourth proportional to 4,140.60, 5,710.38 and 3,246.84 is: 4,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.60 : 5,710.38 = 3,246.84 : x
  2. Step 2: Convert to fraction form
    4,140.60/5,710.38 = 3,246.84/x
  3. Step 3: Cross multiply
    4,140.60x = 5,710.38 × 3,246.84
  4. Step 4: Simplify right side
    4,140.60x = 18,540,690.20
  5. Step 5: Solve for x
    x = 18,540,690.20/4,140.60
  6. Step 6: Final answer
    x = 4,477.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.