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Finding the Fourth Proportional to 6,393.75, 9,591.44 and 1,776.75

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Solution

The fourth proportional to 6,393.75, 9,591.44 and 1,776.75 is: 2,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.75 : 9,591.44 = 1,776.75 : x
  2. Step 2: Convert to fraction form
    6,393.75/9,591.44 = 1,776.75/x
  3. Step 3: Cross multiply
    6,393.75x = 9,591.44 × 1,776.75
  4. Step 4: Simplify right side
    6,393.75x = 17,041,591.02
  5. Step 5: Solve for x
    x = 17,041,591.02/6,393.75
  6. Step 6: Final answer
    x = 2,665.35

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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.