Home / 5,272.26-7,904.01-1,983.54

Finding the Fourth Proportional to 5,272.26, 7,904.01 and 1,983.54

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Solution

The fourth proportional to 5,272.26, 7,904.01 and 1,983.54 is: 2,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.26 : 7,904.01 = 1,983.54 : x
  2. Step 2: Convert to fraction form
    5,272.26/7,904.01 = 1,983.54/x
  3. Step 3: Cross multiply
    5,272.26x = 7,904.01 × 1,983.54
  4. Step 4: Simplify right side
    5,272.26x = 15,677,920.00
  5. Step 5: Solve for x
    x = 15,677,920.00/5,272.26
  6. Step 6: Final answer
    x = 2,973.66

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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.