Home / 5,028.08-7,555.68-2,689.71

Finding the Fourth Proportional to 5,028.08, 7,555.68 and 2,689.71

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Solution

The fourth proportional to 5,028.08, 7,555.68 and 2,689.71 is: 4,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.08 : 7,555.68 = 2,689.71 : x
  2. Step 2: Convert to fraction form
    5,028.08/7,555.68 = 2,689.71/x
  3. Step 3: Cross multiply
    5,028.08x = 7,555.68 × 2,689.71
  4. Step 4: Simplify right side
    5,028.08x = 20,322,559.72
  5. Step 5: Solve for x
    x = 20,322,559.72/5,028.08
  6. Step 6: Final answer
    x = 4,041.82

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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.