Home / 6,759.09-9,326.88-3,887.91

Finding the Fourth Proportional to 6,759.09, 9,326.88 and 3,887.91

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Solution

The fourth proportional to 6,759.09, 9,326.88 and 3,887.91 is: 5,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.09 : 9,326.88 = 3,887.91 : x
  2. Step 2: Convert to fraction form
    6,759.09/9,326.88 = 3,887.91/x
  3. Step 3: Cross multiply
    6,759.09x = 9,326.88 × 3,887.91
  4. Step 4: Simplify right side
    6,759.09x = 36,262,070.02
  5. Step 5: Solve for x
    x = 36,262,070.02/6,759.09
  6. Step 6: Final answer
    x = 5,364.93

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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.