Home / 4,729.36-7,091.52-1,806

Finding the Fourth Proportional to 4,729.36, 7,091.52 and 1,806

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Solution

The fourth proportional to 4,729.36, 7,091.52 and 1,806 is: 2,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.36 : 7,091.52 = 1,806 : x
  2. Step 2: Convert to fraction form
    4,729.36/7,091.52 = 1,806/x
  3. Step 3: Cross multiply
    4,729.36x = 7,091.52 × 1,806
  4. Step 4: Simplify right side
    4,729.36x = 12,807,285.12
  5. Step 5: Solve for x
    x = 12,807,285.12/4,729.36
  6. Step 6: Final answer
    x = 2,708.04

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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.