Home / 6,371.06-9,556.58-1,988.55

Finding the Fourth Proportional to 6,371.06, 9,556.58 and 1,988.55

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Solution

The fourth proportional to 6,371.06, 9,556.58 and 1,988.55 is: 2,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.06 : 9,556.58 = 1,988.55 : x
  2. Step 2: Convert to fraction form
    6,371.06/9,556.58 = 1,988.55/x
  3. Step 3: Cross multiply
    6,371.06x = 9,556.58 × 1,988.55
  4. Step 4: Simplify right side
    6,371.06x = 19,003,742.13
  5. Step 5: Solve for x
    x = 19,003,742.13/6,371.06
  6. Step 6: Final answer
    x = 2,982.83

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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.