Home / 4,666.40-6,997.27-1,378.61

Finding the Fourth Proportional to 4,666.40, 6,997.27 and 1,378.61

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Solution

The fourth proportional to 4,666.40, 6,997.27 and 1,378.61 is: 2,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.40 : 6,997.27 = 1,378.61 : x
  2. Step 2: Convert to fraction form
    4,666.40/6,997.27 = 1,378.61/x
  3. Step 3: Cross multiply
    4,666.40x = 6,997.27 × 1,378.61
  4. Step 4: Simplify right side
    4,666.40x = 9,646,506.39
  5. Step 5: Solve for x
    x = 9,646,506.39/4,666.40
  6. Step 6: Final answer
    x = 2,067.23

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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.