Home / 7,866.13-10,855.62-4,329.46

Finding the Fourth Proportional to 7,866.13, 10,855.62 and 4,329.46

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Solution

The fourth proportional to 7,866.13, 10,855.62 and 4,329.46 is: 5,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.13 : 10,855.62 = 4,329.46 : x
  2. Step 2: Convert to fraction form
    7,866.13/10,855.62 = 4,329.46/x
  3. Step 3: Cross multiply
    7,866.13x = 10,855.62 × 4,329.46
  4. Step 4: Simplify right side
    7,866.13x = 46,998,972.57
  5. Step 5: Solve for x
    x = 46,998,972.57/7,866.13
  6. Step 6: Final answer
    x = 5,974.85

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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.