Home / 4,918.40-7,381.31-3,354.70

Finding the Fourth Proportional to 4,918.40, 7,381.31 and 3,354.70

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Solution

The fourth proportional to 4,918.40, 7,381.31 and 3,354.70 is: 5,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.40 : 7,381.31 = 3,354.70 : x
  2. Step 2: Convert to fraction form
    4,918.40/7,381.31 = 3,354.70/x
  3. Step 3: Cross multiply
    4,918.40x = 7,381.31 × 3,354.70
  4. Step 4: Simplify right side
    4,918.40x = 24,762,080.66
  5. Step 5: Solve for x
    x = 24,762,080.66/4,918.40
  6. Step 6: Final answer
    x = 5,034.58

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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.