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Finding the Fourth Proportional to 8,922.36, 13,410.27 and 6,019.32

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Solution

The fourth proportional to 8,922.36, 13,410.27 and 6,019.32 is: 9,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.36 : 13,410.27 = 6,019.32 : x
  2. Step 2: Convert to fraction form
    8,922.36/13,410.27 = 6,019.32/x
  3. Step 3: Cross multiply
    8,922.36x = 13,410.27 × 6,019.32
  4. Step 4: Simplify right side
    8,922.36x = 80,720,706.42
  5. Step 5: Solve for x
    x = 80,720,706.42/8,922.36
  6. Step 6: Final answer
    x = 9,047.01

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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.