Home / 6,834.13-9,431.59-3,809.45

Finding the Fourth Proportional to 6,834.13, 9,431.59 and 3,809.45

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Solution

The fourth proportional to 6,834.13, 9,431.59 and 3,809.45 is: 5,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.13 : 9,431.59 = 3,809.45 : x
  2. Step 2: Convert to fraction form
    6,834.13/9,431.59 = 3,809.45/x
  3. Step 3: Cross multiply
    6,834.13x = 9,431.59 × 3,809.45
  4. Step 4: Simplify right side
    6,834.13x = 35,929,170.53
  5. Step 5: Solve for x
    x = 35,929,170.53/6,834.13
  6. Step 6: Final answer
    x = 5,257.31

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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.