Home / 8,065.45-11,137.67-6,072.55

Finding the Fourth Proportional to 8,065.45, 11,137.67 and 6,072.55

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Solution

The fourth proportional to 8,065.45, 11,137.67 and 6,072.55 is: 8,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.45 : 11,137.67 = 6,072.55 : x
  2. Step 2: Convert to fraction form
    8,065.45/11,137.67 = 6,072.55/x
  3. Step 3: Cross multiply
    8,065.45x = 11,137.67 × 6,072.55
  4. Step 4: Simplify right side
    8,065.45x = 67,634,022.52
  5. Step 5: Solve for x
    x = 67,634,022.52/8,065.45
  6. Step 6: Final answer
    x = 8,385.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.