Home / 9,090.01-12,549.09-6,121.56

Finding the Fourth Proportional to 9,090.01, 12,549.09 and 6,121.56

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Solution

The fourth proportional to 9,090.01, 12,549.09 and 6,121.56 is: 8,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.01 : 12,549.09 = 6,121.56 : x
  2. Step 2: Convert to fraction form
    9,090.01/12,549.09 = 6,121.56/x
  3. Step 3: Cross multiply
    9,090.01x = 12,549.09 × 6,121.56
  4. Step 4: Simplify right side
    9,090.01x = 76,820,007.38
  5. Step 5: Solve for x
    x = 76,820,007.38/9,090.01
  6. Step 6: Final answer
    x = 8,451.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.