Home / 4,727.78-7,091.67-4,720.95

Finding the Fourth Proportional to 4,727.78, 7,091.67 and 4,720.95

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Solution

The fourth proportional to 4,727.78, 7,091.67 and 4,720.95 is: 7,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.78 : 7,091.67 = 4,720.95 : x
  2. Step 2: Convert to fraction form
    4,727.78/7,091.67 = 4,720.95/x
  3. Step 3: Cross multiply
    4,727.78x = 7,091.67 × 4,720.95
  4. Step 4: Simplify right side
    4,727.78x = 33,479,437.19
  5. Step 5: Solve for x
    x = 33,479,437.19/4,727.78
  6. Step 6: Final answer
    x = 7,081.43

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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.