Home / 5,187.46-7,156.37-3,197.29

Finding the Fourth Proportional to 5,187.46, 7,156.37 and 3,197.29

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Solution

The fourth proportional to 5,187.46, 7,156.37 and 3,197.29 is: 4,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.46 : 7,156.37 = 3,197.29 : x
  2. Step 2: Convert to fraction form
    5,187.46/7,156.37 = 3,197.29/x
  3. Step 3: Cross multiply
    5,187.46x = 7,156.37 × 3,197.29
  4. Step 4: Simplify right side
    5,187.46x = 22,880,954.46
  5. Step 5: Solve for x
    x = 22,880,954.46/5,187.46
  6. Step 6: Final answer
    x = 4,410.82

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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.