Home / 4,961.30-7,429.80-3,308.90

Finding the Fourth Proportional to 4,961.30, 7,429.80 and 3,308.90

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Solution

The fourth proportional to 4,961.30, 7,429.80 and 3,308.90 is: 4,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.30 : 7,429.80 = 3,308.90 : x
  2. Step 2: Convert to fraction form
    4,961.30/7,429.80 = 3,308.90/x
  3. Step 3: Cross multiply
    4,961.30x = 7,429.80 × 3,308.90
  4. Step 4: Simplify right side
    4,961.30x = 24,584,465.22
  5. Step 5: Solve for x
    x = 24,584,465.22/4,961.30
  6. Step 6: Final answer
    x = 4,955.25

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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.