Home / 5,816.07-8,720.79-3,969.42

Finding the Fourth Proportional to 5,816.07, 8,720.79 and 3,969.42

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Solution

The fourth proportional to 5,816.07, 8,720.79 and 3,969.42 is: 5,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.07 : 8,720.79 = 3,969.42 : x
  2. Step 2: Convert to fraction form
    5,816.07/8,720.79 = 3,969.42/x
  3. Step 3: Cross multiply
    5,816.07x = 8,720.79 × 3,969.42
  4. Step 4: Simplify right side
    5,816.07x = 34,616,509.97
  5. Step 5: Solve for x
    x = 34,616,509.97/5,816.07
  6. Step 6: Final answer
    x = 5,951.87

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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.