Home / 4,693.28-7,072.18-3,889.60

Finding the Fourth Proportional to 4,693.28, 7,072.18 and 3,889.60

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Solution

The fourth proportional to 4,693.28, 7,072.18 and 3,889.60 is: 5,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.28 : 7,072.18 = 3,889.60 : x
  2. Step 2: Convert to fraction form
    4,693.28/7,072.18 = 3,889.60/x
  3. Step 3: Cross multiply
    4,693.28x = 7,072.18 × 3,889.60
  4. Step 4: Simplify right side
    4,693.28x = 27,507,951.33
  5. Step 5: Solve for x
    x = 27,507,951.33/4,693.28
  6. Step 6: Final answer
    x = 5,861.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.