Home / 5,271.80-7,275.53-2,914.39

Finding the Fourth Proportional to 5,271.80, 7,275.53 and 2,914.39

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Solution

The fourth proportional to 5,271.80, 7,275.53 and 2,914.39 is: 4,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.80 : 7,275.53 = 2,914.39 : x
  2. Step 2: Convert to fraction form
    5,271.80/7,275.53 = 2,914.39/x
  3. Step 3: Cross multiply
    5,271.80x = 7,275.53 × 2,914.39
  4. Step 4: Simplify right side
    5,271.80x = 21,203,720.97
  5. Step 5: Solve for x
    x = 21,203,720.97/5,271.80
  6. Step 6: Final answer
    x = 4,022.11

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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.