Home / 6,912.72-10,365.12-4,724.16

Finding the Fourth Proportional to 6,912.72, 10,365.12 and 4,724.16

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Solution

The fourth proportional to 6,912.72, 10,365.12 and 4,724.16 is: 7,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.72 : 10,365.12 = 4,724.16 : x
  2. Step 2: Convert to fraction form
    6,912.72/10,365.12 = 4,724.16/x
  3. Step 3: Cross multiply
    6,912.72x = 10,365.12 × 4,724.16
  4. Step 4: Simplify right side
    6,912.72x = 48,966,485.30
  5. Step 5: Solve for x
    x = 48,966,485.30/6,912.72
  6. Step 6: Final answer
    x = 7,083.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.