Home / 5,135.01-7,086.28-2,896.91

Finding the Fourth Proportional to 5,135.01, 7,086.28 and 2,896.91

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Solution

The fourth proportional to 5,135.01, 7,086.28 and 2,896.91 is: 3,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.01 : 7,086.28 = 2,896.91 : x
  2. Step 2: Convert to fraction form
    5,135.01/7,086.28 = 2,896.91/x
  3. Step 3: Cross multiply
    5,135.01x = 7,086.28 × 2,896.91
  4. Step 4: Simplify right side
    5,135.01x = 20,528,272.72
  5. Step 5: Solve for x
    x = 20,528,272.72/5,135.01
  6. Step 6: Final answer
    x = 3,997.71

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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.