Home / 8,623.62-12,937.74-3,077.54

Finding the Fourth Proportional to 8,623.62, 12,937.74 and 3,077.54

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Solution

The fourth proportional to 8,623.62, 12,937.74 and 3,077.54 is: 4,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.62 : 12,937.74 = 3,077.54 : x
  2. Step 2: Convert to fraction form
    8,623.62/12,937.74 = 3,077.54/x
  3. Step 3: Cross multiply
    8,623.62x = 12,937.74 × 3,077.54
  4. Step 4: Simplify right side
    8,623.62x = 39,816,412.36
  5. Step 5: Solve for x
    x = 39,816,412.36/8,623.62
  6. Step 6: Final answer
    x = 4,617.13

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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.