Home / 9,489.09-13,094.27-5,239.47

Finding the Fourth Proportional to 9,489.09, 13,094.27 and 5,239.47

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Solution

The fourth proportional to 9,489.09, 13,094.27 and 5,239.47 is: 7,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.09 : 13,094.27 = 5,239.47 : x
  2. Step 2: Convert to fraction form
    9,489.09/13,094.27 = 5,239.47/x
  3. Step 3: Cross multiply
    9,489.09x = 13,094.27 × 5,239.47
  4. Step 4: Simplify right side
    9,489.09x = 68,607,034.84
  5. Step 5: Solve for x
    x = 68,607,034.84/9,489.09
  6. Step 6: Final answer
    x = 7,230.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.