Home / 9,320.85-13,983.90-3,081.42

Finding the Fourth Proportional to 9,320.85, 13,983.90 and 3,081.42

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Solution

The fourth proportional to 9,320.85, 13,983.90 and 3,081.42 is: 4,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.85 : 13,983.90 = 3,081.42 : x
  2. Step 2: Convert to fraction form
    9,320.85/13,983.90 = 3,081.42/x
  3. Step 3: Cross multiply
    9,320.85x = 13,983.90 × 3,081.42
  4. Step 4: Simplify right side
    9,320.85x = 43,090,269.14
  5. Step 5: Solve for x
    x = 43,090,269.14/9,320.85
  6. Step 6: Final answer
    x = 4,623.00

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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.