Home / 5,812.95-8,021.90-3,160.61

Finding the Fourth Proportional to 5,812.95, 8,021.90 and 3,160.61

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Solution

The fourth proportional to 5,812.95, 8,021.90 and 3,160.61 is: 4,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.95 : 8,021.90 = 3,160.61 : x
  2. Step 2: Convert to fraction form
    5,812.95/8,021.90 = 3,160.61/x
  3. Step 3: Cross multiply
    5,812.95x = 8,021.90 × 3,160.61
  4. Step 4: Simplify right side
    5,812.95x = 25,354,097.36
  5. Step 5: Solve for x
    x = 25,354,097.36/5,812.95
  6. Step 6: Final answer
    x = 4,361.66

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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.