Home / 5,420.32-7,480.38-3,297.34

Finding the Fourth Proportional to 5,420.32, 7,480.38 and 3,297.34

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Solution

The fourth proportional to 5,420.32, 7,480.38 and 3,297.34 is: 4,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.32 : 7,480.38 = 3,297.34 : x
  2. Step 2: Convert to fraction form
    5,420.32/7,480.38 = 3,297.34/x
  3. Step 3: Cross multiply
    5,420.32x = 7,480.38 × 3,297.34
  4. Step 4: Simplify right side
    5,420.32x = 24,665,356.19
  5. Step 5: Solve for x
    x = 24,665,356.19/5,420.32
  6. Step 6: Final answer
    x = 4,550.54

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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.