Home / 4,977.92-7,468.80-2,240

Finding the Fourth Proportional to 4,977.92, 7,468.80 and 2,240

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Solution

The fourth proportional to 4,977.92, 7,468.80 and 2,240 is: 3,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.92 : 7,468.80 = 2,240 : x
  2. Step 2: Convert to fraction form
    4,977.92/7,468.80 = 2,240/x
  3. Step 3: Cross multiply
    4,977.92x = 7,468.80 × 2,240
  4. Step 4: Simplify right side
    4,977.92x = 16,730,112
  5. Step 5: Solve for x
    x = 16,730,112/4,977.92
  6. Step 6: Final answer
    x = 3,360.86

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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.