Home / 5,179.39-7,769.08-1,283.79

Finding the Fourth Proportional to 5,179.39, 7,769.08 and 1,283.79

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Solution

The fourth proportional to 5,179.39, 7,769.08 and 1,283.79 is: 1,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.39 : 7,769.08 = 1,283.79 : x
  2. Step 2: Convert to fraction form
    5,179.39/7,769.08 = 1,283.79/x
  3. Step 3: Cross multiply
    5,179.39x = 7,769.08 × 1,283.79
  4. Step 4: Simplify right side
    5,179.39x = 9,973,889.93
  5. Step 5: Solve for x
    x = 9,973,889.93/5,179.39
  6. Step 6: Final answer
    x = 1,925.69

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Similar ratio
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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.