Home / 4,910.71-6,776.94-2,672.46

Finding the Fourth Proportional to 4,910.71, 6,776.94 and 2,672.46

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Solution

The fourth proportional to 4,910.71, 6,776.94 and 2,672.46 is: 3,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.71 : 6,776.94 = 2,672.46 : x
  2. Step 2: Convert to fraction form
    4,910.71/6,776.94 = 2,672.46/x
  3. Step 3: Cross multiply
    4,910.71x = 6,776.94 × 2,672.46
  4. Step 4: Simplify right side
    4,910.71x = 18,111,101.07
  5. Step 5: Solve for x
    x = 18,111,101.07/4,910.71
  6. Step 6: Final answer
    x = 3,688.08

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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.