Home / 5,280.56-7,286.76-2,922.16

Finding the Fourth Proportional to 5,280.56, 7,286.76 and 2,922.16

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Solution

The fourth proportional to 5,280.56, 7,286.76 and 2,922.16 is: 4,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.56 : 7,286.76 = 2,922.16 : x
  2. Step 2: Convert to fraction form
    5,280.56/7,286.76 = 2,922.16/x
  3. Step 3: Cross multiply
    5,280.56x = 7,286.76 × 2,922.16
  4. Step 4: Simplify right side
    5,280.56x = 21,293,078.60
  5. Step 5: Solve for x
    x = 21,293,078.60/5,280.56
  6. Step 6: Final answer
    x = 4,032.35

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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.