Home / 7,150.05-10,726.11-2,220.09

Finding the Fourth Proportional to 7,150.05, 10,726.11 and 2,220.09

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Solution

The fourth proportional to 7,150.05, 10,726.11 and 2,220.09 is: 3,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.05 : 10,726.11 = 2,220.09 : x
  2. Step 2: Convert to fraction form
    7,150.05/10,726.11 = 2,220.09/x
  3. Step 3: Cross multiply
    7,150.05x = 10,726.11 × 2,220.09
  4. Step 4: Simplify right side
    7,150.05x = 23,812,929.55
  5. Step 5: Solve for x
    x = 23,812,929.55/7,150.05
  6. Step 6: Final answer
    x = 3,330.46

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Half scale
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Double scale
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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.