Home / 6,285.28-9,431.89-3,513.77

Finding the Fourth Proportional to 6,285.28, 9,431.89 and 3,513.77

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Solution

The fourth proportional to 6,285.28, 9,431.89 and 3,513.77 is: 5,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.28 : 9,431.89 = 3,513.77 : x
  2. Step 2: Convert to fraction form
    6,285.28/9,431.89 = 3,513.77/x
  3. Step 3: Cross multiply
    6,285.28x = 9,431.89 × 3,513.77
  4. Step 4: Simplify right side
    6,285.28x = 33,141,517.84
  5. Step 5: Solve for x
    x = 33,141,517.84/6,285.28
  6. Step 6: Final answer
    x = 5,272.88

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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.