Home / 6,699.15-9,243.95-3,827.80

Finding the Fourth Proportional to 6,699.15, 9,243.95 and 3,827.80

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Solution

The fourth proportional to 6,699.15, 9,243.95 and 3,827.80 is: 5,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.15 : 9,243.95 = 3,827.80 : x
  2. Step 2: Convert to fraction form
    6,699.15/9,243.95 = 3,827.80/x
  3. Step 3: Cross multiply
    6,699.15x = 9,243.95 × 3,827.80
  4. Step 4: Simplify right side
    6,699.15x = 35,383,991.81
  5. Step 5: Solve for x
    x = 35,383,991.81/6,699.15
  6. Step 6: Final answer
    x = 5,281.86

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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.