Home / 7,701.99-11,553.00-2,155.38

Finding the Fourth Proportional to 7,701.99, 11,553.00 and 2,155.38

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Solution

The fourth proportional to 7,701.99, 11,553.00 and 2,155.38 is: 3,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.99 : 11,553.00 = 2,155.38 : x
  2. Step 2: Convert to fraction form
    7,701.99/11,553.00 = 2,155.38/x
  3. Step 3: Cross multiply
    7,701.99x = 11,553.00 × 2,155.38
  4. Step 4: Simplify right side
    7,701.99x = 24,901,169.40
  5. Step 5: Solve for x
    x = 24,901,169.40/7,701.99
  6. Step 6: Final answer
    x = 3,233.08

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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.