Home / 4,775.55-7,165.14-2,177.88

Finding the Fourth Proportional to 4,775.55, 7,165.14 and 2,177.88

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Solution

The fourth proportional to 4,775.55, 7,165.14 and 2,177.88 is: 3,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.55 : 7,165.14 = 2,177.88 : x
  2. Step 2: Convert to fraction form
    4,775.55/7,165.14 = 2,177.88/x
  3. Step 3: Cross multiply
    4,775.55x = 7,165.14 × 2,177.88
  4. Step 4: Simplify right side
    4,775.55x = 15,604,815.10
  5. Step 5: Solve for x
    x = 15,604,815.10/4,775.55
  6. Step 6: Final answer
    x = 3,267.65

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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.