Home / 8,059.36-12,087.56-3,378.12

Finding the Fourth Proportional to 8,059.36, 12,087.56 and 3,378.12

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Solution

The fourth proportional to 8,059.36, 12,087.56 and 3,378.12 is: 5,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.36 : 12,087.56 = 3,378.12 : x
  2. Step 2: Convert to fraction form
    8,059.36/12,087.56 = 3,378.12/x
  3. Step 3: Cross multiply
    8,059.36x = 12,087.56 × 3,378.12
  4. Step 4: Simplify right side
    8,059.36x = 40,833,228.19
  5. Step 5: Solve for x
    x = 40,833,228.19/8,059.36
  6. Step 6: Final answer
    x = 5,066.56

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1.5x scale

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.