Home / 7,690.11-11,535.21-2,757.06

Finding the Fourth Proportional to 7,690.11, 11,535.21 and 2,757.06

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Solution

The fourth proportional to 7,690.11, 11,535.21 and 2,757.06 is: 4,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.11 : 11,535.21 = 2,757.06 : x
  2. Step 2: Convert to fraction form
    7,690.11/11,535.21 = 2,757.06/x
  3. Step 3: Cross multiply
    7,690.11x = 11,535.21 × 2,757.06
  4. Step 4: Simplify right side
    7,690.11x = 31,803,298.53
  5. Step 5: Solve for x
    x = 31,803,298.53/7,690.11
  6. Step 6: Final answer
    x = 4,135.61

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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.