Home / 8,728.18-13,090.44-2,883.46

Finding the Fourth Proportional to 8,728.18, 13,090.44 and 2,883.46

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Solution

The fourth proportional to 8,728.18, 13,090.44 and 2,883.46 is: 4,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.18 : 13,090.44 = 2,883.46 : x
  2. Step 2: Convert to fraction form
    8,728.18/13,090.44 = 2,883.46/x
  3. Step 3: Cross multiply
    8,728.18x = 13,090.44 × 2,883.46
  4. Step 4: Simplify right side
    8,728.18x = 37,745,760.12
  5. Step 5: Solve for x
    x = 37,745,760.12/8,728.18
  6. Step 6: Final answer
    x = 4,324.59

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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.