Home / 5,187.18-7,156.26-3,194.28

Finding the Fourth Proportional to 5,187.18, 7,156.26 and 3,194.28

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Solution

The fourth proportional to 5,187.18, 7,156.26 and 3,194.28 is: 4,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.18 : 7,156.26 = 3,194.28 : x
  2. Step 2: Convert to fraction form
    5,187.18/7,156.26 = 3,194.28/x
  3. Step 3: Cross multiply
    5,187.18x = 7,156.26 × 3,194.28
  4. Step 4: Simplify right side
    5,187.18x = 22,859,098.19
  5. Step 5: Solve for x
    x = 22,859,098.19/5,187.18
  6. Step 6: Final answer
    x = 4,406.84

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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.