Home / 6,834.45-9,431.50-3,851.25

Finding the Fourth Proportional to 6,834.45, 9,431.50 and 3,851.25

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Solution

The fourth proportional to 6,834.45, 9,431.50 and 3,851.25 is: 5,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.45 : 9,431.50 = 3,851.25 : x
  2. Step 2: Convert to fraction form
    6,834.45/9,431.50 = 3,851.25/x
  3. Step 3: Cross multiply
    6,834.45x = 9,431.50 × 3,851.25
  4. Step 4: Simplify right side
    6,834.45x = 36,323,017.22
  5. Step 5: Solve for x
    x = 36,323,017.22/6,834.45
  6. Step 6: Final answer
    x = 5,314.69

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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.