Home / 5,626.29-7,764.09-3,108.36

Finding the Fourth Proportional to 5,626.29, 7,764.09 and 3,108.36

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Solution

The fourth proportional to 5,626.29, 7,764.09 and 3,108.36 is: 4,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.29 : 7,764.09 = 3,108.36 : x
  2. Step 2: Convert to fraction form
    5,626.29/7,764.09 = 3,108.36/x
  3. Step 3: Cross multiply
    5,626.29x = 7,764.09 × 3,108.36
  4. Step 4: Simplify right side
    5,626.29x = 24,133,586.79
  5. Step 5: Solve for x
    x = 24,133,586.79/5,626.29
  6. Step 6: Final answer
    x = 4,289.43

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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.