Home / 4,911.09-6,777.30-2,672.96

Finding the Fourth Proportional to 4,911.09, 6,777.30 and 2,672.96

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Solution

The fourth proportional to 4,911.09, 6,777.30 and 2,672.96 is: 3,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.09 : 6,777.30 = 2,672.96 : x
  2. Step 2: Convert to fraction form
    4,911.09/6,777.30 = 2,672.96/x
  3. Step 3: Cross multiply
    4,911.09x = 6,777.30 × 2,672.96
  4. Step 4: Simplify right side
    4,911.09x = 18,115,468.75
  5. Step 5: Solve for x
    x = 18,115,468.75/4,911.09
  6. Step 6: Final answer
    x = 3,688.69

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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.