Home / 6,286.18-9,429.28-2,126.22

Finding the Fourth Proportional to 6,286.18, 9,429.28 and 2,126.22

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Solution

The fourth proportional to 6,286.18, 9,429.28 and 2,126.22 is: 3,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.18 : 9,429.28 = 2,126.22 : x
  2. Step 2: Convert to fraction form
    6,286.18/9,429.28 = 2,126.22/x
  3. Step 3: Cross multiply
    6,286.18x = 9,429.28 × 2,126.22
  4. Step 4: Simplify right side
    6,286.18x = 20,048,723.72
  5. Step 5: Solve for x
    x = 20,048,723.72/6,286.18
  6. Step 6: Final answer
    x = 3,189.33

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Double scale
Find fourth proportional to 6,287.18, 9,430.78 and 2,127.22
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.