Home / 6,972.88-9,622.64-3,829.13

Finding the Fourth Proportional to 6,972.88, 9,622.64 and 3,829.13

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Solution

The fourth proportional to 6,972.88, 9,622.64 and 3,829.13 is: 5,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.88 : 9,622.64 = 3,829.13 : x
  2. Step 2: Convert to fraction form
    6,972.88/9,622.64 = 3,829.13/x
  3. Step 3: Cross multiply
    6,972.88x = 9,622.64 × 3,829.13
  4. Step 4: Simplify right side
    6,972.88x = 36,846,320.36
  5. Step 5: Solve for x
    x = 36,846,320.36/6,972.88
  6. Step 6: Final answer
    x = 5,284.24

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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.