Home / 5,280.23-7,287.09-2,922.53

Finding the Fourth Proportional to 5,280.23, 7,287.09 and 2,922.53

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Solution

The fourth proportional to 5,280.23, 7,287.09 and 2,922.53 is: 4,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.23 : 7,287.09 = 2,922.53 : x
  2. Step 2: Convert to fraction form
    5,280.23/7,287.09 = 2,922.53/x
  3. Step 3: Cross multiply
    5,280.23x = 7,287.09 × 2,922.53
  4. Step 4: Simplify right side
    5,280.23x = 21,296,702.70
  5. Step 5: Solve for x
    x = 21,296,702.70/5,280.23
  6. Step 6: Final answer
    x = 4,033.29

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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.