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Finding the Fourth Proportional to 6,920.95, 9,550.81 and 3,776.93

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Solution

The fourth proportional to 6,920.95, 9,550.81 and 3,776.93 is: 5,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.95 : 9,550.81 = 3,776.93 : x
  2. Step 2: Convert to fraction form
    6,920.95/9,550.81 = 3,776.93/x
  3. Step 3: Cross multiply
    6,920.95x = 9,550.81 × 3,776.93
  4. Step 4: Simplify right side
    6,920.95x = 36,072,740.81
  5. Step 5: Solve for x
    x = 36,072,740.81/6,920.95
  6. Step 6: Final answer
    x = 5,212.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.