Home / 8,511.96-11,748.82-5,527.64

Finding the Fourth Proportional to 8,511.96, 11,748.82 and 5,527.64

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Solution

The fourth proportional to 8,511.96, 11,748.82 and 5,527.64 is: 7,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.96 : 11,748.82 = 5,527.64 : x
  2. Step 2: Convert to fraction form
    8,511.96/11,748.82 = 5,527.64/x
  3. Step 3: Cross multiply
    8,511.96x = 11,748.82 × 5,527.64
  4. Step 4: Simplify right side
    8,511.96x = 64,943,247.38
  5. Step 5: Solve for x
    x = 64,943,247.38/8,511.96
  6. Step 6: Final answer
    x = 7,629.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.