Home / 5,134.36-7,085.27-2,896.22

Finding the Fourth Proportional to 5,134.36, 7,085.27 and 2,896.22

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Solution

The fourth proportional to 5,134.36, 7,085.27 and 2,896.22 is: 3,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.36 : 7,085.27 = 2,896.22 : x
  2. Step 2: Convert to fraction form
    5,134.36/7,085.27 = 2,896.22/x
  3. Step 3: Cross multiply
    5,134.36x = 7,085.27 × 2,896.22
  4. Step 4: Simplify right side
    5,134.36x = 20,520,472.49
  5. Step 5: Solve for x
    x = 20,520,472.49/5,134.36
  6. Step 6: Final answer
    x = 3,996.70

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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.