Home / 4,727.52-7,089.19-1,803.78

Finding the Fourth Proportional to 4,727.52, 7,089.19 and 1,803.78

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Solution

The fourth proportional to 4,727.52, 7,089.19 and 1,803.78 is: 2,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.52 : 7,089.19 = 1,803.78 : x
  2. Step 2: Convert to fraction form
    4,727.52/7,089.19 = 1,803.78/x
  3. Step 3: Cross multiply
    4,727.52x = 7,089.19 × 1,803.78
  4. Step 4: Simplify right side
    4,727.52x = 12,787,339.14
  5. Step 5: Solve for x
    x = 12,787,339.14/4,727.52
  6. Step 6: Final answer
    x = 2,704.87

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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.