Home / 5,558.91-7,670.30-3,168.75

Finding the Fourth Proportional to 5,558.91, 7,670.30 and 3,168.75

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Solution

The fourth proportional to 5,558.91, 7,670.30 and 3,168.75 is: 4,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.91 : 7,670.30 = 3,168.75 : x
  2. Step 2: Convert to fraction form
    5,558.91/7,670.30 = 3,168.75/x
  3. Step 3: Cross multiply
    5,558.91x = 7,670.30 × 3,168.75
  4. Step 4: Simplify right side
    5,558.91x = 24,305,276.04
  5. Step 5: Solve for x
    x = 24,305,276.04/5,558.91
  6. Step 6: Final answer
    x = 4,372.31

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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.