Home / 6,173.96-8,518.38-3,520.40

Finding the Fourth Proportional to 6,173.96, 8,518.38 and 3,520.40

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Solution

The fourth proportional to 6,173.96, 8,518.38 and 3,520.40 is: 4,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.96 : 8,518.38 = 3,520.40 : x
  2. Step 2: Convert to fraction form
    6,173.96/8,518.38 = 3,520.40/x
  3. Step 3: Cross multiply
    6,173.96x = 8,518.38 × 3,520.40
  4. Step 4: Simplify right side
    6,173.96x = 29,988,104.95
  5. Step 5: Solve for x
    x = 29,988,104.95/6,173.96
  6. Step 6: Final answer
    x = 4,857.19

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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.