Home / 6,321.09-9,483.11-2,161.13

Finding the Fourth Proportional to 6,321.09, 9,483.11 and 2,161.13

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Solution

The fourth proportional to 6,321.09, 9,483.11 and 2,161.13 is: 3,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.09 : 9,483.11 = 2,161.13 : x
  2. Step 2: Convert to fraction form
    6,321.09/9,483.11 = 2,161.13/x
  3. Step 3: Cross multiply
    6,321.09x = 9,483.11 × 2,161.13
  4. Step 4: Simplify right side
    6,321.09x = 20,494,233.51
  5. Step 5: Solve for x
    x = 20,494,233.51/6,321.09
  6. Step 6: Final answer
    x = 3,242.20

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Half scale
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Double scale
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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.