Home / 6,785.86-9,365.09-3,801.68

Finding the Fourth Proportional to 6,785.86, 9,365.09 and 3,801.68

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Solution

The fourth proportional to 6,785.86, 9,365.09 and 3,801.68 is: 5,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.86 : 9,365.09 = 3,801.68 : x
  2. Step 2: Convert to fraction form
    6,785.86/9,365.09 = 3,801.68/x
  3. Step 3: Cross multiply
    6,785.86x = 9,365.09 × 3,801.68
  4. Step 4: Simplify right side
    6,785.86x = 35,603,028.53
  5. Step 5: Solve for x
    x = 35,603,028.53/6,785.86
  6. Step 6: Final answer
    x = 5,246.65

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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.