Home / 7,617.02-11,424.35-2,939.22

Finding the Fourth Proportional to 7,617.02, 11,424.35 and 2,939.22

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Solution

The fourth proportional to 7,617.02, 11,424.35 and 2,939.22 is: 4,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.02 : 11,424.35 = 2,939.22 : x
  2. Step 2: Convert to fraction form
    7,617.02/11,424.35 = 2,939.22/x
  3. Step 3: Cross multiply
    7,617.02x = 11,424.35 × 2,939.22
  4. Step 4: Simplify right side
    7,617.02x = 33,578,678.01
  5. Step 5: Solve for x
    x = 33,578,678.01/7,617.02
  6. Step 6: Final answer
    x = 4,408.37

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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.