Home / 5,280.96-7,287.44-2,922.96

Finding the Fourth Proportional to 5,280.96, 7,287.44 and 2,922.96

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Solution

The fourth proportional to 5,280.96, 7,287.44 and 2,922.96 is: 4,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.96 : 7,287.44 = 2,922.96 : x
  2. Step 2: Convert to fraction form
    5,280.96/7,287.44 = 2,922.96/x
  3. Step 3: Cross multiply
    5,280.96x = 7,287.44 × 2,922.96
  4. Step 4: Simplify right side
    5,280.96x = 21,300,881.01
  5. Step 5: Solve for x
    x = 21,300,881.01/5,280.96
  6. Step 6: Final answer
    x = 4,033.52

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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.