Home / 4,165.75-6,248.69-1,087.75

Finding the Fourth Proportional to 4,165.75, 6,248.69 and 1,087.75

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Solution

The fourth proportional to 4,165.75, 6,248.69 and 1,087.75 is: 1,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.75 : 6,248.69 = 1,087.75 : x
  2. Step 2: Convert to fraction form
    4,165.75/6,248.69 = 1,087.75/x
  3. Step 3: Cross multiply
    4,165.75x = 6,248.69 × 1,087.75
  4. Step 4: Simplify right side
    4,165.75x = 6,797,007.11
  5. Step 5: Solve for x
    x = 6,797,007.11/4,165.75
  6. Step 6: Final answer
    x = 1,631.64

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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.