Home / 6,901.72-10,351.56-2,221.10

Finding the Fourth Proportional to 6,901.72, 10,351.56 and 2,221.10

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Solution

The fourth proportional to 6,901.72, 10,351.56 and 2,221.10 is: 3,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.72 : 10,351.56 = 2,221.10 : x
  2. Step 2: Convert to fraction form
    6,901.72/10,351.56 = 2,221.10/x
  3. Step 3: Cross multiply
    6,901.72x = 10,351.56 × 2,221.10
  4. Step 4: Simplify right side
    6,901.72x = 22,991,849.92
  5. Step 5: Solve for x
    x = 22,991,849.92/6,901.72
  6. Step 6: Final answer
    x = 3,331.32

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Half scale
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Double scale
Find fourth proportional to 6,902.72, 10,353.06 and 2,222.10
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.