Home / 4,778.88-7,165.08-2,436

Finding the Fourth Proportional to 4,778.88, 7,165.08 and 2,436

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Solution

The fourth proportional to 4,778.88, 7,165.08 and 2,436 is: 3,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.88 : 7,165.08 = 2,436 : x
  2. Step 2: Convert to fraction form
    4,778.88/7,165.08 = 2,436/x
  3. Step 3: Cross multiply
    4,778.88x = 7,165.08 × 2,436
  4. Step 4: Simplify right side
    4,778.88x = 17,454,134.88
  5. Step 5: Solve for x
    x = 17,454,134.88/4,778.88
  6. Step 6: Final answer
    x = 3,652.35

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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.