Home / 4,727.64-7,092.49-1,806.78

Finding the Fourth Proportional to 4,727.64, 7,092.49 and 1,806.78

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Solution

The fourth proportional to 4,727.64, 7,092.49 and 1,806.78 is: 2,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.64 : 7,092.49 = 1,806.78 : x
  2. Step 2: Convert to fraction form
    4,727.64/7,092.49 = 1,806.78/x
  3. Step 3: Cross multiply
    4,727.64x = 7,092.49 × 1,806.78
  4. Step 4: Simplify right side
    4,727.64x = 12,814,569.08
  5. Step 5: Solve for x
    x = 12,814,569.08/4,727.64
  6. Step 6: Final answer
    x = 2,710.56

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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.