Home / 5,620.26-7,756.20-3,382.32

Finding the Fourth Proportional to 5,620.26, 7,756.20 and 3,382.32

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Solution

The fourth proportional to 5,620.26, 7,756.20 and 3,382.32 is: 4,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.26 : 7,756.20 = 3,382.32 : x
  2. Step 2: Convert to fraction form
    5,620.26/7,756.20 = 3,382.32/x
  3. Step 3: Cross multiply
    5,620.26x = 7,756.20 × 3,382.32
  4. Step 4: Simplify right side
    5,620.26x = 26,233,950.38
  5. Step 5: Solve for x
    x = 26,233,950.38/5,620.26
  6. Step 6: Final answer
    x = 4,667.75

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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.