Home / 5,402.06-8,102.18-1,505.56

Finding the Fourth Proportional to 5,402.06, 8,102.18 and 1,505.56

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Solution

The fourth proportional to 5,402.06, 8,102.18 and 1,505.56 is: 2,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.06 : 8,102.18 = 1,505.56 : x
  2. Step 2: Convert to fraction form
    5,402.06/8,102.18 = 1,505.56/x
  3. Step 3: Cross multiply
    5,402.06x = 8,102.18 × 1,505.56
  4. Step 4: Simplify right side
    5,402.06x = 12,198,318.12
  5. Step 5: Solve for x
    x = 12,198,318.12/5,402.06
  6. Step 6: Final answer
    x = 2,258.09

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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.