Home / 7,318.34-10,099.24-3,961.12

Finding the Fourth Proportional to 7,318.34, 10,099.24 and 3,961.12

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Solution

The fourth proportional to 7,318.34, 10,099.24 and 3,961.12 is: 5,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.34 : 10,099.24 = 3,961.12 : x
  2. Step 2: Convert to fraction form
    7,318.34/10,099.24 = 3,961.12/x
  3. Step 3: Cross multiply
    7,318.34x = 10,099.24 × 3,961.12
  4. Step 4: Simplify right side
    7,318.34x = 40,004,301.55
  5. Step 5: Solve for x
    x = 40,004,301.55/7,318.34
  6. Step 6: Final answer
    x = 5,466.31

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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.