Home / 7,263.78-10,895.69-1,998.86

Finding the Fourth Proportional to 7,263.78, 10,895.69 and 1,998.86

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Solution

The fourth proportional to 7,263.78, 10,895.69 and 1,998.86 is: 2,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.78 : 10,895.69 = 1,998.86 : x
  2. Step 2: Convert to fraction form
    7,263.78/10,895.69 = 1,998.86/x
  3. Step 3: Cross multiply
    7,263.78x = 10,895.69 × 1,998.86
  4. Step 4: Simplify right side
    7,263.78x = 21,778,958.91
  5. Step 5: Solve for x
    x = 21,778,958.91/7,263.78
  6. Step 6: Final answer
    x = 2,998.30

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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.