Home / 8,728.64-13,088.67-3,104.42

Finding the Fourth Proportional to 8,728.64, 13,088.67 and 3,104.42

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Solution

The fourth proportional to 8,728.64, 13,088.67 and 3,104.42 is: 4,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.64 : 13,088.67 = 3,104.42 : x
  2. Step 2: Convert to fraction form
    8,728.64/13,088.67 = 3,104.42/x
  3. Step 3: Cross multiply
    8,728.64x = 13,088.67 × 3,104.42
  4. Step 4: Simplify right side
    8,728.64x = 40,632,728.92
  5. Step 5: Solve for x
    x = 40,632,728.92/8,728.64
  6. Step 6: Final answer
    x = 4,655.10

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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.