Home / 5,731.84-7,910.72-3,248

Finding the Fourth Proportional to 5,731.84, 7,910.72 and 3,248

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Solution

The fourth proportional to 5,731.84, 7,910.72 and 3,248 is: 4,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.84 : 7,910.72 = 3,248 : x
  2. Step 2: Convert to fraction form
    5,731.84/7,910.72 = 3,248/x
  3. Step 3: Cross multiply
    5,731.84x = 7,910.72 × 3,248
  4. Step 4: Simplify right side
    5,731.84x = 25,694,018.56
  5. Step 5: Solve for x
    x = 25,694,018.56/5,731.84
  6. Step 6: Final answer
    x = 4,482.68

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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.