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Finding the Fourth Proportional to 7,540.54, 10,403.80 and 4,396.12

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Solution

The fourth proportional to 7,540.54, 10,403.80 and 4,396.12 is: 6,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.54 : 10,403.80 = 4,396.12 : x
  2. Step 2: Convert to fraction form
    7,540.54/10,403.80 = 4,396.12/x
  3. Step 3: Cross multiply
    7,540.54x = 10,403.80 × 4,396.12
  4. Step 4: Simplify right side
    7,540.54x = 45,736,279.26
  5. Step 5: Solve for x
    x = 45,736,279.26/7,540.54
  6. Step 6: Final answer
    x = 6,065.39

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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.