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Finding the Fourth Proportional to 6,392.56, 9,591.28 and 2,499.68

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Solution

The fourth proportional to 6,392.56, 9,591.28 and 2,499.68 is: 3,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.56 : 9,591.28 = 2,499.68 : x
  2. Step 2: Convert to fraction form
    6,392.56/9,591.28 = 2,499.68/x
  3. Step 3: Cross multiply
    6,392.56x = 9,591.28 × 2,499.68
  4. Step 4: Simplify right side
    6,392.56x = 23,975,130.79
  5. Step 5: Solve for x
    x = 23,975,130.79/6,392.56
  6. Step 6: Final answer
    x = 3,750.47

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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.