Home / 6,829.40-9,425.04-3,805

Finding the Fourth Proportional to 6,829.40, 9,425.04 and 3,805

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Solution

The fourth proportional to 6,829.40, 9,425.04 and 3,805 is: 5,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.40 : 9,425.04 = 3,805 : x
  2. Step 2: Convert to fraction form
    6,829.40/9,425.04 = 3,805/x
  3. Step 3: Cross multiply
    6,829.40x = 9,425.04 × 3,805
  4. Step 4: Simplify right side
    6,829.40x = 35,862,277.20
  5. Step 5: Solve for x
    x = 35,862,277.20/6,829.40
  6. Step 6: Final answer
    x = 5,251.16

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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.