Home / 5,280.23-7,286.78-2,922.59

Finding the Fourth Proportional to 5,280.23, 7,286.78 and 2,922.59

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Solution

The fourth proportional to 5,280.23, 7,286.78 and 2,922.59 is: 4,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.23 : 7,286.78 = 2,922.59 : x
  2. Step 2: Convert to fraction form
    5,280.23/7,286.78 = 2,922.59/x
  3. Step 3: Cross multiply
    5,280.23x = 7,286.78 × 2,922.59
  4. Step 4: Simplify right side
    5,280.23x = 21,296,270.36
  5. Step 5: Solve for x
    x = 21,296,270.36/5,280.23
  6. Step 6: Final answer
    x = 4,033.21

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1.5x scale

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.