Home / 4,066.80-6,107.40-2,972.40

Finding the Fourth Proportional to 4,066.80, 6,107.40 and 2,972.40

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Solution

The fourth proportional to 4,066.80, 6,107.40 and 2,972.40 is: 4,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.80 : 6,107.40 = 2,972.40 : x
  2. Step 2: Convert to fraction form
    4,066.80/6,107.40 = 2,972.40/x
  3. Step 3: Cross multiply
    4,066.80x = 6,107.40 × 2,972.40
  4. Step 4: Simplify right side
    4,066.80x = 18,153,635.76
  5. Step 5: Solve for x
    x = 18,153,635.76/4,066.80
  6. Step 6: Final answer
    x = 4,463.86

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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.