Home / 8,037.20-12,055.80-3,864.50

Finding the Fourth Proportional to 8,037.20, 12,055.80 and 3,864.50

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Solution

The fourth proportional to 8,037.20, 12,055.80 and 3,864.50 is: 5,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037.20 : 12,055.80 = 3,864.50 : x
  2. Step 2: Convert to fraction form
    8,037.20/12,055.80 = 3,864.50/x
  3. Step 3: Cross multiply
    8,037.20x = 12,055.80 × 3,864.50
  4. Step 4: Simplify right side
    8,037.20x = 46,589,639.10
  5. Step 5: Solve for x
    x = 46,589,639.10/8,037.20
  6. Step 6: Final answer
    x = 5,796.75

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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.