Home / 8,030.75-12,039.19-3,865.02

Finding the Fourth Proportional to 8,030.75, 12,039.19 and 3,865.02

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Solution

The fourth proportional to 8,030.75, 12,039.19 and 3,865.02 is: 5,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.75 : 12,039.19 = 3,865.02 : x
  2. Step 2: Convert to fraction form
    8,030.75/12,039.19 = 3,865.02/x
  3. Step 3: Cross multiply
    8,030.75x = 12,039.19 × 3,865.02
  4. Step 4: Simplify right side
    8,030.75x = 46,531,655.32
  5. Step 5: Solve for x
    x = 46,531,655.32/8,030.75
  6. Step 6: Final answer
    x = 5,794.19

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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.