Home / 6,286.16-8,677.32-4,189.52

Finding the Fourth Proportional to 6,286.16, 8,677.32 and 4,189.52

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Solution

The fourth proportional to 6,286.16, 8,677.32 and 4,189.52 is: 5,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.16 : 8,677.32 = 4,189.52 : x
  2. Step 2: Convert to fraction form
    6,286.16/8,677.32 = 4,189.52/x
  3. Step 3: Cross multiply
    6,286.16x = 8,677.32 × 4,189.52
  4. Step 4: Simplify right side
    6,286.16x = 36,353,805.69
  5. Step 5: Solve for x
    x = 36,353,805.69/6,286.16
  6. Step 6: Final answer
    x = 5,783.15

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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.