Home / 5,280.66-7,920.96-3,632.22

Finding the Fourth Proportional to 5,280.66, 7,920.96 and 3,632.22

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Solution

The fourth proportional to 5,280.66, 7,920.96 and 3,632.22 is: 5,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.66 : 7,920.96 = 3,632.22 : x
  2. Step 2: Convert to fraction form
    5,280.66/7,920.96 = 3,632.22/x
  3. Step 3: Cross multiply
    5,280.66x = 7,920.96 × 3,632.22
  4. Step 4: Simplify right side
    5,280.66x = 28,770,669.33
  5. Step 5: Solve for x
    x = 28,770,669.33/5,280.66
  6. Step 6: Final answer
    x = 5,448.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.