Home / 7,399.83-11,072.54-6,999.08

Finding the Fourth Proportional to 7,399.83, 11,072.54 and 6,999.08

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Solution

The fourth proportional to 7,399.83, 11,072.54 and 6,999.08 is: 10,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.83 : 11,072.54 = 6,999.08 : x
  2. Step 2: Convert to fraction form
    7,399.83/11,072.54 = 6,999.08/x
  3. Step 3: Cross multiply
    7,399.83x = 11,072.54 × 6,999.08
  4. Step 4: Simplify right side
    7,399.83x = 77,497,643.90
  5. Step 5: Solve for x
    x = 77,497,643.90/7,399.83
  6. Step 6: Final answer
    x = 10,472.89

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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.