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Finding the Fourth Proportional to 9,778.56, 13,493.54 and 5,799.03

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Solution

The fourth proportional to 9,778.56, 13,493.54 and 5,799.03 is: 8,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.56 : 13,493.54 = 5,799.03 : x
  2. Step 2: Convert to fraction form
    9,778.56/13,493.54 = 5,799.03/x
  3. Step 3: Cross multiply
    9,778.56x = 13,493.54 × 5,799.03
  4. Step 4: Simplify right side
    9,778.56x = 78,249,414.27
  5. Step 5: Solve for x
    x = 78,249,414.27/9,778.56
  6. Step 6: Final answer
    x = 8,002.14

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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.