Home / 4,747.23-7,117.88-1,822.05

Finding the Fourth Proportional to 4,747.23, 7,117.88 and 1,822.05

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Solution

The fourth proportional to 4,747.23, 7,117.88 and 1,822.05 is: 2,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.23 : 7,117.88 = 1,822.05 : x
  2. Step 2: Convert to fraction form
    4,747.23/7,117.88 = 1,822.05/x
  3. Step 3: Cross multiply
    4,747.23x = 7,117.88 × 1,822.05
  4. Step 4: Simplify right side
    4,747.23x = 12,969,124.14
  5. Step 5: Solve for x
    x = 12,969,124.14/4,747.23
  6. Step 6: Final answer
    x = 2,731.94

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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.