Home / 7,407.78-11,109.35-2,476.27

Finding the Fourth Proportional to 7,407.78, 11,109.35 and 2,476.27

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Solution

The fourth proportional to 7,407.78, 11,109.35 and 2,476.27 is: 3,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.78 : 11,109.35 = 2,476.27 : x
  2. Step 2: Convert to fraction form
    7,407.78/11,109.35 = 2,476.27/x
  3. Step 3: Cross multiply
    7,407.78x = 11,109.35 × 2,476.27
  4. Step 4: Simplify right side
    7,407.78x = 27,509,770.20
  5. Step 5: Solve for x
    x = 27,509,770.20/7,407.78
  6. Step 6: Final answer
    x = 3,713.63

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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.