Home / 5,007.96-6,912.81-3,018.60

Finding the Fourth Proportional to 5,007.96, 6,912.81 and 3,018.60

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Solution

The fourth proportional to 5,007.96, 6,912.81 and 3,018.60 is: 4,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.96 : 6,912.81 = 3,018.60 : x
  2. Step 2: Convert to fraction form
    5,007.96/6,912.81 = 3,018.60/x
  3. Step 3: Cross multiply
    5,007.96x = 6,912.81 × 3,018.60
  4. Step 4: Simplify right side
    5,007.96x = 20,867,008.27
  5. Step 5: Solve for x
    x = 20,867,008.27/5,007.96
  6. Step 6: Final answer
    x = 4,166.77

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1.5x scale

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.