Home / 6,789.19-9,365.91-4,272.69

Finding the Fourth Proportional to 6,789.19, 9,365.91 and 4,272.69

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Solution

The fourth proportional to 6,789.19, 9,365.91 and 4,272.69 is: 5,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.19 : 9,365.91 = 4,272.69 : x
  2. Step 2: Convert to fraction form
    6,789.19/9,365.91 = 4,272.69/x
  3. Step 3: Cross multiply
    6,789.19x = 9,365.91 × 4,272.69
  4. Step 4: Simplify right side
    6,789.19x = 40,017,630.00
  5. Step 5: Solve for x
    x = 40,017,630.00/6,789.19
  6. Step 6: Final answer
    x = 5,894.32

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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.