Home / 6,814.75-9,405.36-4,163.68

Finding the Fourth Proportional to 6,814.75, 9,405.36 and 4,163.68

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Solution

The fourth proportional to 6,814.75, 9,405.36 and 4,163.68 is: 5,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.75 : 9,405.36 = 4,163.68 : x
  2. Step 2: Convert to fraction form
    6,814.75/9,405.36 = 4,163.68/x
  3. Step 3: Cross multiply
    6,814.75x = 9,405.36 × 4,163.68
  4. Step 4: Simplify right side
    6,814.75x = 39,160,909.32
  5. Step 5: Solve for x
    x = 39,160,909.32/6,814.75
  6. Step 6: Final answer
    x = 5,746.49

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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.