Home / 6,642.20-9,958.68-2,942.46

Finding the Fourth Proportional to 6,642.20, 9,958.68 and 2,942.46

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Solution

The fourth proportional to 6,642.20, 9,958.68 and 2,942.46 is: 4,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.20 : 9,958.68 = 2,942.46 : x
  2. Step 2: Convert to fraction form
    6,642.20/9,958.68 = 2,942.46/x
  3. Step 3: Cross multiply
    6,642.20x = 9,958.68 × 2,942.46
  4. Step 4: Simplify right side
    6,642.20x = 29,303,017.55
  5. Step 5: Solve for x
    x = 29,303,017.55/6,642.20
  6. Step 6: Final answer
    x = 4,411.64

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1.5x scale

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.