Home / 6,823.29-9,415.63-3,838.55

Finding the Fourth Proportional to 6,823.29, 9,415.63 and 3,838.55

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Solution

The fourth proportional to 6,823.29, 9,415.63 and 3,838.55 is: 5,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.29 : 9,415.63 = 3,838.55 : x
  2. Step 2: Convert to fraction form
    6,823.29/9,415.63 = 3,838.55/x
  3. Step 3: Cross multiply
    6,823.29x = 9,415.63 × 3,838.55
  4. Step 4: Simplify right side
    6,823.29x = 36,142,361.53
  5. Step 5: Solve for x
    x = 36,142,361.53/6,823.29
  6. Step 6: Final answer
    x = 5,296.91

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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.