Home / 5,812.09-8,020.83-3,159.65

Finding the Fourth Proportional to 5,812.09, 8,020.83 and 3,159.65

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Solution

The fourth proportional to 5,812.09, 8,020.83 and 3,159.65 is: 4,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.09 : 8,020.83 = 3,159.65 : x
  2. Step 2: Convert to fraction form
    5,812.09/8,020.83 = 3,159.65/x
  3. Step 3: Cross multiply
    5,812.09x = 8,020.83 × 3,159.65
  4. Step 4: Simplify right side
    5,812.09x = 25,342,959.61
  5. Step 5: Solve for x
    x = 25,342,959.61/5,812.09
  6. Step 6: Final answer
    x = 4,360.39

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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.