Home / 5,028.77-7,535.45-2,689.10

Finding the Fourth Proportional to 5,028.77, 7,535.45 and 2,689.10

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Solution

The fourth proportional to 5,028.77, 7,535.45 and 2,689.10 is: 4,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.77 : 7,535.45 = 2,689.10 : x
  2. Step 2: Convert to fraction form
    5,028.77/7,535.45 = 2,689.10/x
  3. Step 3: Cross multiply
    5,028.77x = 7,535.45 × 2,689.10
  4. Step 4: Simplify right side
    5,028.77x = 20,263,578.60
  5. Step 5: Solve for x
    x = 20,263,578.60/5,028.77
  6. Step 6: Final answer
    x = 4,029.53

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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.