Home / 5,813.65-8,022.80-3,161.06

Finding the Fourth Proportional to 5,813.65, 8,022.80 and 3,161.06

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Solution

The fourth proportional to 5,813.65, 8,022.80 and 3,161.06 is: 4,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.65 : 8,022.80 = 3,161.06 : x
  2. Step 2: Convert to fraction form
    5,813.65/8,022.80 = 3,161.06/x
  3. Step 3: Cross multiply
    5,813.65x = 8,022.80 × 3,161.06
  4. Step 4: Simplify right side
    5,813.65x = 25,360,563.72
  5. Step 5: Solve for x
    x = 25,360,563.72/5,813.65
  6. Step 6: Final answer
    x = 4,362.24

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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.