Home / 6,635.52-9,156.78-4,278.96

Finding the Fourth Proportional to 6,635.52, 9,156.78 and 4,278.96

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Solution

The fourth proportional to 6,635.52, 9,156.78 and 4,278.96 is: 5,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.52 : 9,156.78 = 4,278.96 : x
  2. Step 2: Convert to fraction form
    6,635.52/9,156.78 = 4,278.96/x
  3. Step 3: Cross multiply
    6,635.52x = 9,156.78 × 4,278.96
  4. Step 4: Simplify right side
    6,635.52x = 39,181,495.35
  5. Step 5: Solve for x
    x = 39,181,495.35/6,635.52
  6. Step 6: Final answer
    x = 5,904.81

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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.