Home / 5,280.93-7,287.03-2,922.92

Finding the Fourth Proportional to 5,280.93, 7,287.03 and 2,922.92

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Solution

The fourth proportional to 5,280.93, 7,287.03 and 2,922.92 is: 4,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.93 : 7,287.03 = 2,922.92 : x
  2. Step 2: Convert to fraction form
    5,280.93/7,287.03 = 2,922.92/x
  3. Step 3: Cross multiply
    5,280.93x = 7,287.03 × 2,922.92
  4. Step 4: Simplify right side
    5,280.93x = 21,299,405.73
  5. Step 5: Solve for x
    x = 21,299,405.73/5,280.93
  6. Step 6: Final answer
    x = 4,033.27

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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.