Home / 7,025.80-10,538.70-3,947.40

Finding the Fourth Proportional to 7,025.80, 10,538.70 and 3,947.40

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Solution

The fourth proportional to 7,025.80, 10,538.70 and 3,947.40 is: 5,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.80 : 10,538.70 = 3,947.40 : x
  2. Step 2: Convert to fraction form
    7,025.80/10,538.70 = 3,947.40/x
  3. Step 3: Cross multiply
    7,025.80x = 10,538.70 × 3,947.40
  4. Step 4: Simplify right side
    7,025.80x = 41,600,464.38
  5. Step 5: Solve for x
    x = 41,600,464.38/7,025.80
  6. Step 6: Final answer
    x = 5,921.10

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Similar ratio
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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.