Home / 5,186.30-7,156.85-3,197.04

Finding the Fourth Proportional to 5,186.30, 7,156.85 and 3,197.04

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Solution

The fourth proportional to 5,186.30, 7,156.85 and 3,197.04 is: 4,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.30 : 7,156.85 = 3,197.04 : x
  2. Step 2: Convert to fraction form
    5,186.30/7,156.85 = 3,197.04/x
  3. Step 3: Cross multiply
    5,186.30x = 7,156.85 × 3,197.04
  4. Step 4: Simplify right side
    5,186.30x = 22,880,719.74
  5. Step 5: Solve for x
    x = 22,880,719.74/5,186.30
  6. Step 6: Final answer
    x = 4,411.77

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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.