Home / 6,690.60-10,041.66-3,920.04

Finding the Fourth Proportional to 6,690.60, 10,041.66 and 3,920.04

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Solution

The fourth proportional to 6,690.60, 10,041.66 and 3,920.04 is: 5,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.60 : 10,041.66 = 3,920.04 : x
  2. Step 2: Convert to fraction form
    6,690.60/10,041.66 = 3,920.04/x
  3. Step 3: Cross multiply
    6,690.60x = 10,041.66 × 3,920.04
  4. Step 4: Simplify right side
    6,690.60x = 39,363,708.87
  5. Step 5: Solve for x
    x = 39,363,708.87/6,690.60
  6. Step 6: Final answer
    x = 5,883.43

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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.