Home / 4,920.66-7,405.75-3,694.50

Finding the Fourth Proportional to 4,920.66, 7,405.75 and 3,694.50

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Solution

The fourth proportional to 4,920.66, 7,405.75 and 3,694.50 is: 5,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.66 : 7,405.75 = 3,694.50 : x
  2. Step 2: Convert to fraction form
    4,920.66/7,405.75 = 3,694.50/x
  3. Step 3: Cross multiply
    4,920.66x = 7,405.75 × 3,694.50
  4. Step 4: Simplify right side
    4,920.66x = 27,360,543.38
  5. Step 5: Solve for x
    x = 27,360,543.38/4,920.66
  6. Step 6: Final answer
    x = 5,560.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.