Home / 5,697.08-7,861.74-3,179.30

Finding the Fourth Proportional to 5,697.08, 7,861.74 and 3,179.30

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Solution

The fourth proportional to 5,697.08, 7,861.74 and 3,179.30 is: 4,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.08 : 7,861.74 = 3,179.30 : x
  2. Step 2: Convert to fraction form
    5,697.08/7,861.74 = 3,179.30/x
  3. Step 3: Cross multiply
    5,697.08x = 7,861.74 × 3,179.30
  4. Step 4: Simplify right side
    5,697.08x = 24,994,829.98
  5. Step 5: Solve for x
    x = 24,994,829.98/5,697.08
  6. Step 6: Final answer
    x = 4,387.31

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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.