Home / 4,729.80-6,528.70-2,742.36

Finding the Fourth Proportional to 4,729.80, 6,528.70 and 2,742.36

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Solution

The fourth proportional to 4,729.80, 6,528.70 and 2,742.36 is: 3,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.80 : 6,528.70 = 2,742.36 : x
  2. Step 2: Convert to fraction form
    4,729.80/6,528.70 = 2,742.36/x
  3. Step 3: Cross multiply
    4,729.80x = 6,528.70 × 2,742.36
  4. Step 4: Simplify right side
    4,729.80x = 17,904,045.73
  5. Step 5: Solve for x
    x = 17,904,045.73/4,729.80
  6. Step 6: Final answer
    x = 3,785.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.