Home / 8,722.35-13,085.73-3,792.87

Finding the Fourth Proportional to 8,722.35, 13,085.73 and 3,792.87

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Solution

The fourth proportional to 8,722.35, 13,085.73 and 3,792.87 is: 5,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.35 : 13,085.73 = 3,792.87 : x
  2. Step 2: Convert to fraction form
    8,722.35/13,085.73 = 3,792.87/x
  3. Step 3: Cross multiply
    8,722.35x = 13,085.73 × 3,792.87
  4. Step 4: Simplify right side
    8,722.35x = 49,632,472.75
  5. Step 5: Solve for x
    x = 49,632,472.75/8,722.35
  6. Step 6: Final answer
    x = 5,690.26

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1.5x scale

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.