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Finding the Fourth Proportional to 6,350.42, 8,765.88 and 5,169.44

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Solution

The fourth proportional to 6,350.42, 8,765.88 and 5,169.44 is: 7,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,350.42 : 8,765.88 = 5,169.44 : x
  2. Step 2: Convert to fraction form
    6,350.42/8,765.88 = 5,169.44/x
  3. Step 3: Cross multiply
    6,350.42x = 8,765.88 × 5,169.44
  4. Step 4: Simplify right side
    6,350.42x = 45,314,690.71
  5. Step 5: Solve for x
    x = 45,314,690.71/6,350.42
  6. Step 6: Final answer
    x = 7,135.70

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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.