Home / 5,475.12-8,204.04-2,186.16

Finding the Fourth Proportional to 5,475.12, 8,204.04 and 2,186.16

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Solution

The fourth proportional to 5,475.12, 8,204.04 and 2,186.16 is: 3,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.12 : 8,204.04 = 2,186.16 : x
  2. Step 2: Convert to fraction form
    5,475.12/8,204.04 = 2,186.16/x
  3. Step 3: Cross multiply
    5,475.12x = 8,204.04 × 2,186.16
  4. Step 4: Simplify right side
    5,475.12x = 17,935,344.09
  5. Step 5: Solve for x
    x = 17,935,344.09/5,475.12
  6. Step 6: Final answer
    x = 3,275.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.