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Finding the Fourth Proportional to 9,277.30, 13,909.80 and 5,119.30

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Solution

The fourth proportional to 9,277.30, 13,909.80 and 5,119.30 is: 7,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.30 : 13,909.80 = 5,119.30 : x
  2. Step 2: Convert to fraction form
    9,277.30/13,909.80 = 5,119.30/x
  3. Step 3: Cross multiply
    9,277.30x = 13,909.80 × 5,119.30
  4. Step 4: Simplify right side
    9,277.30x = 71,208,439.14
  5. Step 5: Solve for x
    x = 71,208,439.14/9,277.30
  6. Step 6: Final answer
    x = 7,675.56

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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.