Home / 6,638.02-9,956.32-4,165.49

Finding the Fourth Proportional to 6,638.02, 9,956.32 and 4,165.49

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Solution

The fourth proportional to 6,638.02, 9,956.32 and 4,165.49 is: 6,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.02 : 9,956.32 = 4,165.49 : x
  2. Step 2: Convert to fraction form
    6,638.02/9,956.32 = 4,165.49/x
  3. Step 3: Cross multiply
    6,638.02x = 9,956.32 × 4,165.49
  4. Step 4: Simplify right side
    6,638.02x = 41,472,965.87
  5. Step 5: Solve for x
    x = 41,472,965.87/6,638.02
  6. Step 6: Final answer
    x = 6,247.79

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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.