Home / 5,623.03-7,759.78-3,105.14

Finding the Fourth Proportional to 5,623.03, 7,759.78 and 3,105.14

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Solution

The fourth proportional to 5,623.03, 7,759.78 and 3,105.14 is: 4,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.03 : 7,759.78 = 3,105.14 : x
  2. Step 2: Convert to fraction form
    5,623.03/7,759.78 = 3,105.14/x
  3. Step 3: Cross multiply
    5,623.03x = 7,759.78 × 3,105.14
  4. Step 4: Simplify right side
    5,623.03x = 24,095,214.91
  5. Step 5: Solve for x
    x = 24,095,214.91/5,623.03
  6. Step 6: Final answer
    x = 4,285.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.