Home / 7,446.32-11,169.44-1,899.64

Finding the Fourth Proportional to 7,446.32, 11,169.44 and 1,899.64

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Solution

The fourth proportional to 7,446.32, 11,169.44 and 1,899.64 is: 2,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.32 : 11,169.44 = 1,899.64 : x
  2. Step 2: Convert to fraction form
    7,446.32/11,169.44 = 1,899.64/x
  3. Step 3: Cross multiply
    7,446.32x = 11,169.44 × 1,899.64
  4. Step 4: Simplify right side
    7,446.32x = 21,217,915.00
  5. Step 5: Solve for x
    x = 21,217,915.00/7,446.32
  6. Step 6: Final answer
    x = 2,849.45

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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.