Home / 6,834.50-9,431.75-4,145.81

Finding the Fourth Proportional to 6,834.50, 9,431.75 and 4,145.81

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Solution

The fourth proportional to 6,834.50, 9,431.75 and 4,145.81 is: 5,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.50 : 9,431.75 = 4,145.81 : x
  2. Step 2: Convert to fraction form
    6,834.50/9,431.75 = 4,145.81/x
  3. Step 3: Cross multiply
    6,834.50x = 9,431.75 × 4,145.81
  4. Step 4: Simplify right side
    6,834.50x = 39,102,175.58
  5. Step 5: Solve for x
    x = 39,102,175.58/6,834.50
  6. Step 6: Final answer
    x = 5,721.30

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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.