Home / 8,743.81-13,122.62-3,816.91

Finding the Fourth Proportional to 8,743.81, 13,122.62 and 3,816.91

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Solution

The fourth proportional to 8,743.81, 13,122.62 and 3,816.91 is: 5,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.81 : 13,122.62 = 3,816.91 : x
  2. Step 2: Convert to fraction form
    8,743.81/13,122.62 = 3,816.91/x
  3. Step 3: Cross multiply
    8,743.81x = 13,122.62 × 3,816.91
  4. Step 4: Simplify right side
    8,743.81x = 50,087,859.50
  5. Step 5: Solve for x
    x = 50,087,859.50/8,743.81
  6. Step 6: Final answer
    x = 5,728.38

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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.