Home / 7,318.29-10,099.21-3,961.11

Finding the Fourth Proportional to 7,318.29, 10,099.21 and 3,961.11

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Solution

The fourth proportional to 7,318.29, 10,099.21 and 3,961.11 is: 5,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.29 : 10,099.21 = 3,961.11 : x
  2. Step 2: Convert to fraction form
    7,318.29/10,099.21 = 3,961.11/x
  3. Step 3: Cross multiply
    7,318.29x = 10,099.21 × 3,961.11
  4. Step 4: Simplify right side
    7,318.29x = 40,004,081.72
  5. Step 5: Solve for x
    x = 40,004,081.72/7,318.29
  6. Step 6: Final answer
    x = 5,466.32

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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.