Home / 7,393.62-11,089.38-2,129.06

Finding the Fourth Proportional to 7,393.62, 11,089.38 and 2,129.06

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Solution

The fourth proportional to 7,393.62, 11,089.38 and 2,129.06 is: 3,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.62 : 11,089.38 = 2,129.06 : x
  2. Step 2: Convert to fraction form
    7,393.62/11,089.38 = 2,129.06/x
  3. Step 3: Cross multiply
    7,393.62x = 11,089.38 × 2,129.06
  4. Step 4: Simplify right side
    7,393.62x = 23,609,955.38
  5. Step 5: Solve for x
    x = 23,609,955.38/7,393.62
  6. Step 6: Final answer
    x = 3,193.29

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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.