Home / 6,785.73-10,178.87-2,887.47

Finding the Fourth Proportional to 6,785.73, 10,178.87 and 2,887.47

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Solution

The fourth proportional to 6,785.73, 10,178.87 and 2,887.47 is: 4,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.73 : 10,178.87 = 2,887.47 : x
  2. Step 2: Convert to fraction form
    6,785.73/10,178.87 = 2,887.47/x
  3. Step 3: Cross multiply
    6,785.73x = 10,178.87 × 2,887.47
  4. Step 4: Simplify right side
    6,785.73x = 29,391,167.32
  5. Step 5: Solve for x
    x = 29,391,167.32/6,785.73
  6. Step 6: Final answer
    x = 4,331.32

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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.