Home / 5,814.40-8,023.77-3,161.86

Finding the Fourth Proportional to 5,814.40, 8,023.77 and 3,161.86

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Solution

The fourth proportional to 5,814.40, 8,023.77 and 3,161.86 is: 4,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.40 : 8,023.77 = 3,161.86 : x
  2. Step 2: Convert to fraction form
    5,814.40/8,023.77 = 3,161.86/x
  3. Step 3: Cross multiply
    5,814.40x = 8,023.77 × 3,161.86
  4. Step 4: Simplify right side
    5,814.40x = 25,370,037.41
  5. Step 5: Solve for x
    x = 25,370,037.41/5,814.40
  6. Step 6: Final answer
    x = 4,363.31

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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.