Home / 4,785.82-7,176.91-3,141.93

Finding the Fourth Proportional to 4,785.82, 7,176.91 and 3,141.93

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Solution

The fourth proportional to 4,785.82, 7,176.91 and 3,141.93 is: 4,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.82 : 7,176.91 = 3,141.93 : x
  2. Step 2: Convert to fraction form
    4,785.82/7,176.91 = 3,141.93/x
  3. Step 3: Cross multiply
    4,785.82x = 7,176.91 × 3,141.93
  4. Step 4: Simplify right side
    4,785.82x = 22,549,348.84
  5. Step 5: Solve for x
    x = 22,549,348.84/4,785.82
  6. Step 6: Final answer
    x = 4,711.70

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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.