Home / 5,814.31-8,023.78-3,161.81

Finding the Fourth Proportional to 5,814.31, 8,023.78 and 3,161.81

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Solution

The fourth proportional to 5,814.31, 8,023.78 and 3,161.81 is: 4,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.31 : 8,023.78 = 3,161.81 : x
  2. Step 2: Convert to fraction form
    5,814.31/8,023.78 = 3,161.81/x
  3. Step 3: Cross multiply
    5,814.31x = 8,023.78 × 3,161.81
  4. Step 4: Simplify right side
    5,814.31x = 25,369,678.18
  5. Step 5: Solve for x
    x = 25,369,678.18/5,814.31
  6. Step 6: Final answer
    x = 4,363.32

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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.