Home / 7,585.87-11,380.17-2,320.78

Finding the Fourth Proportional to 7,585.87, 11,380.17 and 2,320.78

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Solution

The fourth proportional to 7,585.87, 11,380.17 and 2,320.78 is: 3,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.87 : 11,380.17 = 2,320.78 : x
  2. Step 2: Convert to fraction form
    7,585.87/11,380.17 = 2,320.78/x
  3. Step 3: Cross multiply
    7,585.87x = 11,380.17 × 2,320.78
  4. Step 4: Simplify right side
    7,585.87x = 26,410,913.35
  5. Step 5: Solve for x
    x = 26,410,913.35/7,585.87
  6. Step 6: Final answer
    x = 3,481.59

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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.