Home / 4,942.80-7,407.72-2,017.76

Finding the Fourth Proportional to 4,942.80, 7,407.72 and 2,017.76

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Solution

The fourth proportional to 4,942.80, 7,407.72 and 2,017.76 is: 3,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.80 : 7,407.72 = 2,017.76 : x
  2. Step 2: Convert to fraction form
    4,942.80/7,407.72 = 2,017.76/x
  3. Step 3: Cross multiply
    4,942.80x = 7,407.72 × 2,017.76
  4. Step 4: Simplify right side
    4,942.80x = 14,946,964.07
  5. Step 5: Solve for x
    x = 14,946,964.07/4,942.80
  6. Step 6: Final answer
    x = 3,023.99

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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.