Home / 5,485.92-7,563.92-3,808.72

Finding the Fourth Proportional to 5,485.92, 7,563.92 and 3,808.72

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Solution

The fourth proportional to 5,485.92, 7,563.92 and 3,808.72 is: 5,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.92 : 7,563.92 = 3,808.72 : x
  2. Step 2: Convert to fraction form
    5,485.92/7,563.92 = 3,808.72/x
  3. Step 3: Cross multiply
    5,485.92x = 7,563.92 × 3,808.72
  4. Step 4: Simplify right side
    5,485.92x = 28,808,853.38
  5. Step 5: Solve for x
    x = 28,808,853.38/5,485.92
  6. Step 6: Final answer
    x = 5,251.42

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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.