Home / 4,910.80-6,776.77-2,672.62

Finding the Fourth Proportional to 4,910.80, 6,776.77 and 2,672.62

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Solution

The fourth proportional to 4,910.80, 6,776.77 and 2,672.62 is: 3,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.80 : 6,776.77 = 2,672.62 : x
  2. Step 2: Convert to fraction form
    4,910.80/6,776.77 = 2,672.62/x
  3. Step 3: Cross multiply
    4,910.80x = 6,776.77 × 2,672.62
  4. Step 4: Simplify right side
    4,910.80x = 18,111,731.04
  5. Step 5: Solve for x
    x = 18,111,731.04/4,910.80
  6. Step 6: Final answer
    x = 3,688.14

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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.