Home / 4,941.80-7,415.40-2,022.20

Finding the Fourth Proportional to 4,941.80, 7,415.40 and 2,022.20

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Solution

The fourth proportional to 4,941.80, 7,415.40 and 2,022.20 is: 3,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.80 : 7,415.40 = 2,022.20 : x
  2. Step 2: Convert to fraction form
    4,941.80/7,415.40 = 2,022.20/x
  3. Step 3: Cross multiply
    4,941.80x = 7,415.40 × 2,022.20
  4. Step 4: Simplify right side
    4,941.80x = 14,995,421.88
  5. Step 5: Solve for x
    x = 14,995,421.88/4,941.80
  6. Step 6: Final answer
    x = 3,034.40

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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.