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Finding the Fourth Proportional to 5,460, 7,536.12 and 3,103.44

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Solution

The fourth proportional to 5,460, 7,536.12 and 3,103.44 is: 4,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460 : 7,536.12 = 3,103.44 : x
  2. Step 2: Convert to fraction form
    5,460/7,536.12 = 3,103.44/x
  3. Step 3: Cross multiply
    5,460x = 7,536.12 × 3,103.44
  4. Step 4: Simplify right side
    5,460x = 23,387,896.25
  5. Step 5: Solve for x
    x = 23,387,896.25/5,460
  6. Step 6: Final answer
    x = 4,283.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.