Home / 4,868.70-7,308.45-3,021.90

Finding the Fourth Proportional to 4,868.70, 7,308.45 and 3,021.90

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Solution

The fourth proportional to 4,868.70, 7,308.45 and 3,021.90 is: 4,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.70 : 7,308.45 = 3,021.90 : x
  2. Step 2: Convert to fraction form
    4,868.70/7,308.45 = 3,021.90/x
  3. Step 3: Cross multiply
    4,868.70x = 7,308.45 × 3,021.90
  4. Step 4: Simplify right side
    4,868.70x = 22,085,405.06
  5. Step 5: Solve for x
    x = 22,085,405.06/4,868.70
  6. Step 6: Final answer
    x = 4,536.20

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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.