Home / 6,330.20-8,727.54-5,191.69

Finding the Fourth Proportional to 6,330.20, 8,727.54 and 5,191.69

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Solution

The fourth proportional to 6,330.20, 8,727.54 and 5,191.69 is: 7,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.20 : 8,727.54 = 5,191.69 : x
  2. Step 2: Convert to fraction form
    6,330.20/8,727.54 = 5,191.69/x
  3. Step 3: Cross multiply
    6,330.20x = 8,727.54 × 5,191.69
  4. Step 4: Simplify right side
    6,330.20x = 45,310,682.14
  5. Step 5: Solve for x
    x = 45,310,682.14/6,330.20
  6. Step 6: Final answer
    x = 7,157.86

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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.