Home / 6,750.14-9,316.12-3,917.58

Finding the Fourth Proportional to 6,750.14, 9,316.12 and 3,917.58

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Solution

The fourth proportional to 6,750.14, 9,316.12 and 3,917.58 is: 5,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.14 : 9,316.12 = 3,917.58 : x
  2. Step 2: Convert to fraction form
    6,750.14/9,316.12 = 3,917.58/x
  3. Step 3: Cross multiply
    6,750.14x = 9,316.12 × 3,917.58
  4. Step 4: Simplify right side
    6,750.14x = 36,496,645.39
  5. Step 5: Solve for x
    x = 36,496,645.39/6,750.14
  6. Step 6: Final answer
    x = 5,406.80

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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.