Home / 6,920.96-9,550.99-3,777.15

Finding the Fourth Proportional to 6,920.96, 9,550.99 and 3,777.15

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Solution

The fourth proportional to 6,920.96, 9,550.99 and 3,777.15 is: 5,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.96 : 9,550.99 = 3,777.15 : x
  2. Step 2: Convert to fraction form
    6,920.96/9,550.99 = 3,777.15/x
  3. Step 3: Cross multiply
    6,920.96x = 9,550.99 × 3,777.15
  4. Step 4: Simplify right side
    6,920.96x = 36,075,464.68
  5. Step 5: Solve for x
    x = 36,075,464.68/6,920.96
  6. Step 6: Final answer
    x = 5,212.50

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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.