Home / 4,359.38-6,540.41-2,139.57

Finding the Fourth Proportional to 4,359.38, 6,540.41 and 2,139.57

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Solution

The fourth proportional to 4,359.38, 6,540.41 and 2,139.57 is: 3,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.38 : 6,540.41 = 2,139.57 : x
  2. Step 2: Convert to fraction form
    4,359.38/6,540.41 = 2,139.57/x
  3. Step 3: Cross multiply
    4,359.38x = 6,540.41 × 2,139.57
  4. Step 4: Simplify right side
    4,359.38x = 13,993,670.37
  5. Step 5: Solve for x
    x = 13,993,670.37/4,359.38
  6. Step 6: Final answer
    x = 3,210.02

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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.