Home / 5,271.20-7,910.69-2,497.86

Finding the Fourth Proportional to 5,271.20, 7,910.69 and 2,497.86

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Solution

The fourth proportional to 5,271.20, 7,910.69 and 2,497.86 is: 3,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.20 : 7,910.69 = 2,497.86 : x
  2. Step 2: Convert to fraction form
    5,271.20/7,910.69 = 2,497.86/x
  3. Step 3: Cross multiply
    5,271.20x = 7,910.69 × 2,497.86
  4. Step 4: Simplify right side
    5,271.20x = 19,759,783.63
  5. Step 5: Solve for x
    x = 19,759,783.63/5,271.20
  6. Step 6: Final answer
    x = 3,748.63

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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.