Home / 6,372.05-9,558.07-1,989.88

Finding the Fourth Proportional to 6,372.05, 9,558.07 and 1,989.88

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Solution

The fourth proportional to 6,372.05, 9,558.07 and 1,989.88 is: 2,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.05 : 9,558.07 = 1,989.88 : x
  2. Step 2: Convert to fraction form
    6,372.05/9,558.07 = 1,989.88/x
  3. Step 3: Cross multiply
    6,372.05x = 9,558.07 × 1,989.88
  4. Step 4: Simplify right side
    6,372.05x = 19,019,383.46
  5. Step 5: Solve for x
    x = 19,019,383.46/6,372.05
  6. Step 6: Final answer
    x = 2,984.82

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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.