Home / 7,427.96-11,091.01-6,331.76

Finding the Fourth Proportional to 7,427.96, 11,091.01 and 6,331.76

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Solution

The fourth proportional to 7,427.96, 11,091.01 and 6,331.76 is: 9,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.96 : 11,091.01 = 6,331.76 : x
  2. Step 2: Convert to fraction form
    7,427.96/11,091.01 = 6,331.76/x
  3. Step 3: Cross multiply
    7,427.96x = 11,091.01 × 6,331.76
  4. Step 4: Simplify right side
    7,427.96x = 70,225,613.48
  5. Step 5: Solve for x
    x = 70,225,613.48/7,427.96
  6. Step 6: Final answer
    x = 9,454.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.