Home / 5,272.45-7,906.24-1,573.72

Finding the Fourth Proportional to 5,272.45, 7,906.24 and 1,573.72

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Solution

The fourth proportional to 5,272.45, 7,906.24 and 1,573.72 is: 2,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.45 : 7,906.24 = 1,573.72 : x
  2. Step 2: Convert to fraction form
    5,272.45/7,906.24 = 1,573.72/x
  3. Step 3: Cross multiply
    5,272.45x = 7,906.24 × 1,573.72
  4. Step 4: Simplify right side
    5,272.45x = 12,442,208.01
  5. Step 5: Solve for x
    x = 12,442,208.01/5,272.45
  6. Step 6: Final answer
    x = 2,359.85

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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.