Home / 6,691.15-10,036.41-3,178.59

Finding the Fourth Proportional to 6,691.15, 10,036.41 and 3,178.59

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Solution

The fourth proportional to 6,691.15, 10,036.41 and 3,178.59 is: 4,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.15 : 10,036.41 = 3,178.59 : x
  2. Step 2: Convert to fraction form
    6,691.15/10,036.41 = 3,178.59/x
  3. Step 3: Cross multiply
    6,691.15x = 10,036.41 × 3,178.59
  4. Step 4: Simplify right side
    6,691.15x = 31,901,632.46
  5. Step 5: Solve for x
    x = 31,901,632.46/6,691.15
  6. Step 6: Final answer
    x = 4,767.74

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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.