Home / 5,272.68-7,276.07-2,914.77

Finding the Fourth Proportional to 5,272.68, 7,276.07 and 2,914.77

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Solution

The fourth proportional to 5,272.68, 7,276.07 and 2,914.77 is: 4,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.68 : 7,276.07 = 2,914.77 : x
  2. Step 2: Convert to fraction form
    5,272.68/7,276.07 = 2,914.77/x
  3. Step 3: Cross multiply
    5,272.68x = 7,276.07 × 2,914.77
  4. Step 4: Simplify right side
    5,272.68x = 21,208,055.98
  5. Step 5: Solve for x
    x = 21,208,055.98/5,272.68
  6. Step 6: Final answer
    x = 4,022.25

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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.