Home / 6,823.10-9,415.37-3,838.36

Finding the Fourth Proportional to 6,823.10, 9,415.37 and 3,838.36

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Solution

The fourth proportional to 6,823.10, 9,415.37 and 3,838.36 is: 5,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.10 : 9,415.37 = 3,838.36 : x
  2. Step 2: Convert to fraction form
    6,823.10/9,415.37 = 3,838.36/x
  3. Step 3: Cross multiply
    6,823.10x = 9,415.37 × 3,838.36
  4. Step 4: Simplify right side
    6,823.10x = 36,139,565.65
  5. Step 5: Solve for x
    x = 36,139,565.65/6,823.10
  6. Step 6: Final answer
    x = 5,296.65

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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.