Home / 8,050.39-12,077.19-3,120.08

Finding the Fourth Proportional to 8,050.39, 12,077.19 and 3,120.08

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Solution

The fourth proportional to 8,050.39, 12,077.19 and 3,120.08 is: 4,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.39 : 12,077.19 = 3,120.08 : x
  2. Step 2: Convert to fraction form
    8,050.39/12,077.19 = 3,120.08/x
  3. Step 3: Cross multiply
    8,050.39x = 12,077.19 × 3,120.08
  4. Step 4: Simplify right side
    8,050.39x = 37,681,738.59
  5. Step 5: Solve for x
    x = 37,681,738.59/8,050.39
  6. Step 6: Final answer
    x = 4,680.74

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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.