Home / 6,923.36-10,384.92-1,992.80

Finding the Fourth Proportional to 6,923.36, 10,384.92 and 1,992.80

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Solution

The fourth proportional to 6,923.36, 10,384.92 and 1,992.80 is: 2,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.36 : 10,384.92 = 1,992.80 : x
  2. Step 2: Convert to fraction form
    6,923.36/10,384.92 = 1,992.80/x
  3. Step 3: Cross multiply
    6,923.36x = 10,384.92 × 1,992.80
  4. Step 4: Simplify right side
    6,923.36x = 20,695,068.58
  5. Step 5: Solve for x
    x = 20,695,068.58/6,923.36
  6. Step 6: Final answer
    x = 2,989.17

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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.