Home / 4,247.92-6,356.80-3,134.68

Finding the Fourth Proportional to 4,247.92, 6,356.80 and 3,134.68

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Solution

The fourth proportional to 4,247.92, 6,356.80 and 3,134.68 is: 4,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.92 : 6,356.80 = 3,134.68 : x
  2. Step 2: Convert to fraction form
    4,247.92/6,356.80 = 3,134.68/x
  3. Step 3: Cross multiply
    4,247.92x = 6,356.80 × 3,134.68
  4. Step 4: Simplify right side
    4,247.92x = 19,926,533.82
  5. Step 5: Solve for x
    x = 19,926,533.82/4,247.92
  6. Step 6: Final answer
    x = 4,690.89

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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.