Home / 6,912.92-9,543.64-4,872.02

Finding the Fourth Proportional to 6,912.92, 9,543.64 and 4,872.02

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Solution

The fourth proportional to 6,912.92, 9,543.64 and 4,872.02 is: 6,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.92 : 9,543.64 = 4,872.02 : x
  2. Step 2: Convert to fraction form
    6,912.92/9,543.64 = 4,872.02/x
  3. Step 3: Cross multiply
    6,912.92x = 9,543.64 × 4,872.02
  4. Step 4: Simplify right side
    6,912.92x = 46,496,804.95
  5. Step 5: Solve for x
    x = 46,496,804.95/6,912.92
  6. Step 6: Final answer
    x = 6,726.07

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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.