Home / 7,725.70-10,661.40-4,369.17

Finding the Fourth Proportional to 7,725.70, 10,661.40 and 4,369.17

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Solution

The fourth proportional to 7,725.70, 10,661.40 and 4,369.17 is: 6,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.70 : 10,661.40 = 4,369.17 : x
  2. Step 2: Convert to fraction form
    7,725.70/10,661.40 = 4,369.17/x
  3. Step 3: Cross multiply
    7,725.70x = 10,661.40 × 4,369.17
  4. Step 4: Simplify right side
    7,725.70x = 46,581,469.04
  5. Step 5: Solve for x
    x = 46,581,469.04/7,725.70
  6. Step 6: Final answer
    x = 6,029.42

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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.