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Finding the Fourth Proportional to 6,909.80, 10,367.12 and 3,014.50

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Solution

The fourth proportional to 6,909.80, 10,367.12 and 3,014.50 is: 4,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.80 : 10,367.12 = 3,014.50 : x
  2. Step 2: Convert to fraction form
    6,909.80/10,367.12 = 3,014.50/x
  3. Step 3: Cross multiply
    6,909.80x = 10,367.12 × 3,014.50
  4. Step 4: Simplify right side
    6,909.80x = 31,251,683.24
  5. Step 5: Solve for x
    x = 31,251,683.24/6,909.80
  6. Step 6: Final answer
    x = 4,522.81

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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.