Home / 7,318.64-10,099.92-4,174.76

Finding the Fourth Proportional to 7,318.64, 10,099.92 and 4,174.76

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Solution

The fourth proportional to 7,318.64, 10,099.92 and 4,174.76 is: 5,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.64 : 10,099.92 = 4,174.76 : x
  2. Step 2: Convert to fraction form
    7,318.64/10,099.92 = 4,174.76/x
  3. Step 3: Cross multiply
    7,318.64x = 10,099.92 × 4,174.76
  4. Step 4: Simplify right side
    7,318.64x = 42,164,742.02
  5. Step 5: Solve for x
    x = 42,164,742.02/7,318.64
  6. Step 6: Final answer
    x = 5,761.28

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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.