Home / 6,923.13-10,386.42-1,992.66

Finding the Fourth Proportional to 6,923.13, 10,386.42 and 1,992.66

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Solution

The fourth proportional to 6,923.13, 10,386.42 and 1,992.66 is: 2,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.13 : 10,386.42 = 1,992.66 : x
  2. Step 2: Convert to fraction form
    6,923.13/10,386.42 = 1,992.66/x
  3. Step 3: Cross multiply
    6,923.13x = 10,386.42 × 1,992.66
  4. Step 4: Simplify right side
    6,923.13x = 20,696,603.68
  5. Step 5: Solve for x
    x = 20,696,603.68/6,923.13
  6. Step 6: Final answer
    x = 2,989.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.