Home / 7,476.91-11,215.36-3,089.54

Finding the Fourth Proportional to 7,476.91, 11,215.36 and 3,089.54

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Solution

The fourth proportional to 7,476.91, 11,215.36 and 3,089.54 is: 4,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.91 : 11,215.36 = 3,089.54 : x
  2. Step 2: Convert to fraction form
    7,476.91/11,215.36 = 3,089.54/x
  3. Step 3: Cross multiply
    7,476.91x = 11,215.36 × 3,089.54
  4. Step 4: Simplify right side
    7,476.91x = 34,650,335.23
  5. Step 5: Solve for x
    x = 34,650,335.23/7,476.91
  6. Step 6: Final answer
    x = 4,634.31

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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.