Home / 4,766.47-6,577.75-2,778.39

Finding the Fourth Proportional to 4,766.47, 6,577.75 and 2,778.39

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Solution

The fourth proportional to 4,766.47, 6,577.75 and 2,778.39 is: 3,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.47 : 6,577.75 = 2,778.39 : x
  2. Step 2: Convert to fraction form
    4,766.47/6,577.75 = 2,778.39/x
  3. Step 3: Cross multiply
    4,766.47x = 6,577.75 × 2,778.39
  4. Step 4: Simplify right side
    4,766.47x = 18,275,554.82
  5. Step 5: Solve for x
    x = 18,275,554.82/4,766.47
  6. Step 6: Final answer
    x = 3,834.19

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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.