Home / 6,979.85-10,469.78-5,886.35

Finding the Fourth Proportional to 6,979.85, 10,469.78 and 5,886.35

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Solution

The fourth proportional to 6,979.85, 10,469.78 and 5,886.35 is: 8,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.85 : 10,469.78 = 5,886.35 : x
  2. Step 2: Convert to fraction form
    6,979.85/10,469.78 = 5,886.35/x
  3. Step 3: Cross multiply
    6,979.85x = 10,469.78 × 5,886.35
  4. Step 4: Simplify right side
    6,979.85x = 61,628,760.07
  5. Step 5: Solve for x
    x = 61,628,760.07/6,979.85
  6. Step 6: Final answer
    x = 8,829.53

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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.