Home / 7,789.46-11,679.70-5,327.26

Finding the Fourth Proportional to 7,789.46, 11,679.70 and 5,327.26

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Solution

The fourth proportional to 7,789.46, 11,679.70 and 5,327.26 is: 7,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.46 : 11,679.70 = 5,327.26 : x
  2. Step 2: Convert to fraction form
    7,789.46/11,679.70 = 5,327.26/x
  3. Step 3: Cross multiply
    7,789.46x = 11,679.70 × 5,327.26
  4. Step 4: Simplify right side
    7,789.46x = 62,220,798.62
  5. Step 5: Solve for x
    x = 62,220,798.62/7,789.46
  6. Step 6: Final answer
    x = 7,987.82

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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.