Home / 7,759.59-11,618.72-5,299.21

Finding the Fourth Proportional to 7,759.59, 11,618.72 and 5,299.21

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Solution

The fourth proportional to 7,759.59, 11,618.72 and 5,299.21 is: 7,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.59 : 11,618.72 = 5,299.21 : x
  2. Step 2: Convert to fraction form
    7,759.59/11,618.72 = 5,299.21/x
  3. Step 3: Cross multiply
    7,759.59x = 11,618.72 × 5,299.21
  4. Step 4: Simplify right side
    7,759.59x = 61,570,037.21
  5. Step 5: Solve for x
    x = 61,570,037.21/7,759.59
  6. Step 6: Final answer
    x = 7,934.71

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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.