Home / 7,769.58-11,654.28-5,148.82

Finding the Fourth Proportional to 7,769.58, 11,654.28 and 5,148.82

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Solution

The fourth proportional to 7,769.58, 11,654.28 and 5,148.82 is: 7,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.58 : 11,654.28 = 5,148.82 : x
  2. Step 2: Convert to fraction form
    7,769.58/11,654.28 = 5,148.82/x
  3. Step 3: Cross multiply
    7,769.58x = 11,654.28 × 5,148.82
  4. Step 4: Simplify right side
    7,769.58x = 60,005,789.95
  5. Step 5: Solve for x
    x = 60,005,789.95/7,769.58
  6. Step 6: Final answer
    x = 7,723.17

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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.