Home / 7,764.58-11,628.24-6,830.65

Finding the Fourth Proportional to 7,764.58, 11,628.24 and 6,830.65

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Solution

The fourth proportional to 7,764.58, 11,628.24 and 6,830.65 is: 10,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.58 : 11,628.24 = 6,830.65 : x
  2. Step 2: Convert to fraction form
    7,764.58/11,628.24 = 6,830.65/x
  3. Step 3: Cross multiply
    7,764.58x = 11,628.24 × 6,830.65
  4. Step 4: Simplify right side
    7,764.58x = 79,428,437.56
  5. Step 5: Solve for x
    x = 79,428,437.56/7,764.58
  6. Step 6: Final answer
    x = 10,229.59

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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.