Home / 5,361.42-8,040.08-2,587.16

Finding the Fourth Proportional to 5,361.42, 8,040.08 and 2,587.16

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Solution

The fourth proportional to 5,361.42, 8,040.08 and 2,587.16 is: 3,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.42 : 8,040.08 = 2,587.16 : x
  2. Step 2: Convert to fraction form
    5,361.42/8,040.08 = 2,587.16/x
  3. Step 3: Cross multiply
    5,361.42x = 8,040.08 × 2,587.16
  4. Step 4: Simplify right side
    5,361.42x = 20,800,973.37
  5. Step 5: Solve for x
    x = 20,800,973.37/5,361.42
  6. Step 6: Final answer
    x = 3,879.75

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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.