Home / 8,032.20-12,048.39-3,871.32

Finding the Fourth Proportional to 8,032.20, 12,048.39 and 3,871.32

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Solution

The fourth proportional to 8,032.20, 12,048.39 and 3,871.32 is: 5,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.20 : 12,048.39 = 3,871.32 : x
  2. Step 2: Convert to fraction form
    8,032.20/12,048.39 = 3,871.32/x
  3. Step 3: Cross multiply
    8,032.20x = 12,048.39 × 3,871.32
  4. Step 4: Simplify right side
    8,032.20x = 46,643,173.17
  5. Step 5: Solve for x
    x = 46,643,173.17/8,032.20
  6. Step 6: Final answer
    x = 5,807.02

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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.