Home / 8,724.96-13,090.68-4,047.21

Finding the Fourth Proportional to 8,724.96, 13,090.68 and 4,047.21

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Solution

The fourth proportional to 8,724.96, 13,090.68 and 4,047.21 is: 6,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.96 : 13,090.68 = 4,047.21 : x
  2. Step 2: Convert to fraction form
    8,724.96/13,090.68 = 4,047.21/x
  3. Step 3: Cross multiply
    8,724.96x = 13,090.68 × 4,047.21
  4. Step 4: Simplify right side
    8,724.96x = 52,980,731.00
  5. Step 5: Solve for x
    x = 52,980,731.00/8,724.96
  6. Step 6: Final answer
    x = 6,072.32

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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.