Home / 5,186.32-7,154.86-3,296.90

Finding the Fourth Proportional to 5,186.32, 7,154.86 and 3,296.90

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Solution

The fourth proportional to 5,186.32, 7,154.86 and 3,296.90 is: 4,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.32 : 7,154.86 = 3,296.90 : x
  2. Step 2: Convert to fraction form
    5,186.32/7,154.86 = 3,296.90/x
  3. Step 3: Cross multiply
    5,186.32x = 7,154.86 × 3,296.90
  4. Step 4: Simplify right side
    5,186.32x = 23,588,857.93
  5. Step 5: Solve for x
    x = 23,588,857.93/5,186.32
  6. Step 6: Final answer
    x = 4,548.28

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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.