Home / 8,099.28-12,158.96-5,317.25

Finding the Fourth Proportional to 8,099.28, 12,158.96 and 5,317.25

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Solution

The fourth proportional to 8,099.28, 12,158.96 and 5,317.25 is: 7,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.28 : 12,158.96 = 5,317.25 : x
  2. Step 2: Convert to fraction form
    8,099.28/12,158.96 = 5,317.25/x
  3. Step 3: Cross multiply
    8,099.28x = 12,158.96 × 5,317.25
  4. Step 4: Simplify right side
    8,099.28x = 64,652,142.68
  5. Step 5: Solve for x
    x = 64,652,142.68/8,099.28
  6. Step 6: Final answer
    x = 7,982.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.