Home / 5,812.18-8,020.97-3,159.77

Finding the Fourth Proportional to 5,812.18, 8,020.97 and 3,159.77

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Solution

The fourth proportional to 5,812.18, 8,020.97 and 3,159.77 is: 4,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.18 : 8,020.97 = 3,159.77 : x
  2. Step 2: Convert to fraction form
    5,812.18/8,020.97 = 3,159.77/x
  3. Step 3: Cross multiply
    5,812.18x = 8,020.97 × 3,159.77
  4. Step 4: Simplify right side
    5,812.18x = 25,344,404.58
  5. Step 5: Solve for x
    x = 25,344,404.58/5,812.18
  6. Step 6: Final answer
    x = 4,360.57

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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.