Home / 7,527.65-11,308.77-5,311.58

Finding the Fourth Proportional to 7,527.65, 11,308.77 and 5,311.58

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Solution

The fourth proportional to 7,527.65, 11,308.77 and 5,311.58 is: 7,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.65 : 11,308.77 = 5,311.58 : x
  2. Step 2: Convert to fraction form
    7,527.65/11,308.77 = 5,311.58/x
  3. Step 3: Cross multiply
    7,527.65x = 11,308.77 × 5,311.58
  4. Step 4: Simplify right side
    7,527.65x = 60,067,436.56
  5. Step 5: Solve for x
    x = 60,067,436.56/7,527.65
  6. Step 6: Final answer
    x = 7,979.57

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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.