Home / 5,808.64-8,712.34-2,110.72

Finding the Fourth Proportional to 5,808.64, 8,712.34 and 2,110.72

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Solution

The fourth proportional to 5,808.64, 8,712.34 and 2,110.72 is: 3,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.64 : 8,712.34 = 2,110.72 : x
  2. Step 2: Convert to fraction form
    5,808.64/8,712.34 = 2,110.72/x
  3. Step 3: Cross multiply
    5,808.64x = 8,712.34 × 2,110.72
  4. Step 4: Simplify right side
    5,808.64x = 18,389,310.28
  5. Step 5: Solve for x
    x = 18,389,310.28/5,808.64
  6. Step 6: Final answer
    x = 3,165.85

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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.