Home / 4,947.09-6,819.77-3,766.11

Finding the Fourth Proportional to 4,947.09, 6,819.77 and 3,766.11

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Solution

The fourth proportional to 4,947.09, 6,819.77 and 3,766.11 is: 5,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.09 : 6,819.77 = 3,766.11 : x
  2. Step 2: Convert to fraction form
    4,947.09/6,819.77 = 3,766.11/x
  3. Step 3: Cross multiply
    4,947.09x = 6,819.77 × 3,766.11
  4. Step 4: Simplify right side
    4,947.09x = 25,683,985.16
  5. Step 5: Solve for x
    x = 25,683,985.16/4,947.09
  6. Step 6: Final answer
    x = 5,191.74

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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.