Home / 7,381.28-11,072.20-2,998.64

Finding the Fourth Proportional to 7,381.28, 11,072.20 and 2,998.64

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Solution

The fourth proportional to 7,381.28, 11,072.20 and 2,998.64 is: 4,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.28 : 11,072.20 = 2,998.64 : x
  2. Step 2: Convert to fraction form
    7,381.28/11,072.20 = 2,998.64/x
  3. Step 3: Cross multiply
    7,381.28x = 11,072.20 × 2,998.64
  4. Step 4: Simplify right side
    7,381.28x = 33,201,541.81
  5. Step 5: Solve for x
    x = 33,201,541.81/7,381.28
  6. Step 6: Final answer
    x = 4,498.07

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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.