Home / 8,923.40-13,387.54-3,080.87

Finding the Fourth Proportional to 8,923.40, 13,387.54 and 3,080.87

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Solution

The fourth proportional to 8,923.40, 13,387.54 and 3,080.87 is: 4,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.40 : 13,387.54 = 3,080.87 : x
  2. Step 2: Convert to fraction form
    8,923.40/13,387.54 = 3,080.87/x
  3. Step 3: Cross multiply
    8,923.40x = 13,387.54 × 3,080.87
  4. Step 4: Simplify right side
    8,923.40x = 41,245,270.36
  5. Step 5: Solve for x
    x = 41,245,270.36/8,923.40
  6. Step 6: Final answer
    x = 4,622.15

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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.