Home / 5,280.11-7,285.79-2,922.25

Finding the Fourth Proportional to 5,280.11, 7,285.79 and 2,922.25

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Solution

The fourth proportional to 5,280.11, 7,285.79 and 2,922.25 is: 4,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.11 : 7,285.79 = 2,922.25 : x
  2. Step 2: Convert to fraction form
    5,280.11/7,285.79 = 2,922.25/x
  3. Step 3: Cross multiply
    5,280.11x = 7,285.79 × 2,922.25
  4. Step 4: Simplify right side
    5,280.11x = 21,290,888.92
  5. Step 5: Solve for x
    x = 21,290,888.92/5,280.11
  6. Step 6: Final answer
    x = 4,032.28

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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.