Home / 7,742.72-10,684.98-4,205.94

Finding the Fourth Proportional to 7,742.72, 10,684.98 and 4,205.94

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Solution

The fourth proportional to 7,742.72, 10,684.98 and 4,205.94 is: 5,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.72 : 10,684.98 = 4,205.94 : x
  2. Step 2: Convert to fraction form
    7,742.72/10,684.98 = 4,205.94/x
  3. Step 3: Cross multiply
    7,742.72x = 10,684.98 × 4,205.94
  4. Step 4: Simplify right side
    7,742.72x = 44,940,384.78
  5. Step 5: Solve for x
    x = 44,940,384.78/7,742.72
  6. Step 6: Final answer
    x = 5,804.22

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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.