Home / 5,392.83-8,086.20-2,102.16

Finding the Fourth Proportional to 5,392.83, 8,086.20 and 2,102.16

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Solution

The fourth proportional to 5,392.83, 8,086.20 and 2,102.16 is: 3,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.83 : 8,086.20 = 2,102.16 : x
  2. Step 2: Convert to fraction form
    5,392.83/8,086.20 = 2,102.16/x
  3. Step 3: Cross multiply
    5,392.83x = 8,086.20 × 2,102.16
  4. Step 4: Simplify right side
    5,392.83x = 16,998,486.19
  5. Step 5: Solve for x
    x = 16,998,486.19/5,392.83
  6. Step 6: Final answer
    x = 3,152.05

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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.