Home / 6,887.54-9,504.96-4,235.78

Finding the Fourth Proportional to 6,887.54, 9,504.96 and 4,235.78

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Solution

The fourth proportional to 6,887.54, 9,504.96 and 4,235.78 is: 5,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.54 : 9,504.96 = 4,235.78 : x
  2. Step 2: Convert to fraction form
    6,887.54/9,504.96 = 4,235.78/x
  3. Step 3: Cross multiply
    6,887.54x = 9,504.96 × 4,235.78
  4. Step 4: Simplify right side
    6,887.54x = 40,260,919.47
  5. Step 5: Solve for x
    x = 40,260,919.47/6,887.54
  6. Step 6: Final answer
    x = 5,845.47

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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.