Home / 5,252.08-7,880.87-3,402.72

Finding the Fourth Proportional to 5,252.08, 7,880.87 and 3,402.72

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Solution

The fourth proportional to 5,252.08, 7,880.87 and 3,402.72 is: 5,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.08 : 7,880.87 = 3,402.72 : x
  2. Step 2: Convert to fraction form
    5,252.08/7,880.87 = 3,402.72/x
  3. Step 3: Cross multiply
    5,252.08x = 7,880.87 × 3,402.72
  4. Step 4: Simplify right side
    5,252.08x = 26,816,393.97
  5. Step 5: Solve for x
    x = 26,816,393.97/5,252.08
  6. Step 6: Final answer
    x = 5,105.86

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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.