Home / 8,077.11-12,106.95-3,908.31

Finding the Fourth Proportional to 8,077.11, 12,106.95 and 3,908.31

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Solution

The fourth proportional to 8,077.11, 12,106.95 and 3,908.31 is: 5,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.11 : 12,106.95 = 3,908.31 : x
  2. Step 2: Convert to fraction form
    8,077.11/12,106.95 = 3,908.31/x
  3. Step 3: Cross multiply
    8,077.11x = 12,106.95 × 3,908.31
  4. Step 4: Simplify right side
    8,077.11x = 47,317,713.75
  5. Step 5: Solve for x
    x = 47,317,713.75/8,077.11
  6. Step 6: Final answer
    x = 5,858.25

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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.