Home / 5,809.83-8,712.60-2,111.16

Finding the Fourth Proportional to 5,809.83, 8,712.60 and 2,111.16

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Solution

The fourth proportional to 5,809.83, 8,712.60 and 2,111.16 is: 3,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.83 : 8,712.60 = 2,111.16 : x
  2. Step 2: Convert to fraction form
    5,809.83/8,712.60 = 2,111.16/x
  3. Step 3: Cross multiply
    5,809.83x = 8,712.60 × 2,111.16
  4. Step 4: Simplify right side
    5,809.83x = 18,393,692.62
  5. Step 5: Solve for x
    x = 18,393,692.62/5,809.83
  6. Step 6: Final answer
    x = 3,165.96

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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.