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Finding the Fourth Proportional to 7,397, 11,100.36 and 2,717.05

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Solution

The fourth proportional to 7,397, 11,100.36 and 2,717.05 is: 4,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397 : 11,100.36 = 2,717.05 : x
  2. Step 2: Convert to fraction form
    7,397/11,100.36 = 2,717.05/x
  3. Step 3: Cross multiply
    7,397x = 11,100.36 × 2,717.05
  4. Step 4: Simplify right side
    7,397x = 30,160,219.55
  5. Step 5: Solve for x
    x = 30,160,219.55/7,397
  6. Step 6: Final answer
    x = 4,077.36

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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.