Home / 7,690.56-11,535.72-2,760.52

Finding the Fourth Proportional to 7,690.56, 11,535.72 and 2,760.52

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Solution

The fourth proportional to 7,690.56, 11,535.72 and 2,760.52 is: 4,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.56 : 11,535.72 = 2,760.52 : x
  2. Step 2: Convert to fraction form
    7,690.56/11,535.72 = 2,760.52/x
  3. Step 3: Cross multiply
    7,690.56x = 11,535.72 × 2,760.52
  4. Step 4: Simplify right side
    7,690.56x = 31,844,585.77
  5. Step 5: Solve for x
    x = 31,844,585.77/7,690.56
  6. Step 6: Final answer
    x = 4,140.74

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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.