Home / 7,388.31-11,082.45-2,194.17

Finding the Fourth Proportional to 7,388.31, 11,082.45 and 2,194.17

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Solution

The fourth proportional to 7,388.31, 11,082.45 and 2,194.17 is: 3,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.31 : 11,082.45 = 2,194.17 : x
  2. Step 2: Convert to fraction form
    7,388.31/11,082.45 = 2,194.17/x
  3. Step 3: Cross multiply
    7,388.31x = 11,082.45 × 2,194.17
  4. Step 4: Simplify right side
    7,388.31x = 24,316,779.32
  5. Step 5: Solve for x
    x = 24,316,779.32/7,388.31
  6. Step 6: Final answer
    x = 3,291.25

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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.