Home / 5,287.20-7,297.16-3,048.64

Finding the Fourth Proportional to 5,287.20, 7,297.16 and 3,048.64

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Solution

The fourth proportional to 5,287.20, 7,297.16 and 3,048.64 is: 4,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.20 : 7,297.16 = 3,048.64 : x
  2. Step 2: Convert to fraction form
    5,287.20/7,297.16 = 3,048.64/x
  3. Step 3: Cross multiply
    5,287.20x = 7,297.16 × 3,048.64
  4. Step 4: Simplify right side
    5,287.20x = 22,246,413.86
  5. Step 5: Solve for x
    x = 22,246,413.86/5,287.20
  6. Step 6: Final answer
    x = 4,207.60

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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.