Home / 5,243.07-7,866.09-2,125.26

Finding the Fourth Proportional to 5,243.07, 7,866.09 and 2,125.26

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Solution

The fourth proportional to 5,243.07, 7,866.09 and 2,125.26 is: 3,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.07 : 7,866.09 = 2,125.26 : x
  2. Step 2: Convert to fraction form
    5,243.07/7,866.09 = 2,125.26/x
  3. Step 3: Cross multiply
    5,243.07x = 7,866.09 × 2,125.26
  4. Step 4: Simplify right side
    5,243.07x = 16,717,486.43
  5. Step 5: Solve for x
    x = 16,717,486.43/5,243.07
  6. Step 6: Final answer
    x = 3,188.49

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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.