Home / 7,327.17-10,111.32-3,969.84

Finding the Fourth Proportional to 7,327.17, 10,111.32 and 3,969.84

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Solution

The fourth proportional to 7,327.17, 10,111.32 and 3,969.84 is: 5,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.17 : 10,111.32 = 3,969.84 : x
  2. Step 2: Convert to fraction form
    7,327.17/10,111.32 = 3,969.84/x
  3. Step 3: Cross multiply
    7,327.17x = 10,111.32 × 3,969.84
  4. Step 4: Simplify right side
    7,327.17x = 40,140,322.59
  5. Step 5: Solve for x
    x = 40,140,322.59/7,327.17
  6. Step 6: Final answer
    x = 5,478.28

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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.