Home / 7,822.61-11,718.79-4,349.33

Finding the Fourth Proportional to 7,822.61, 11,718.79 and 4,349.33

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Solution

The fourth proportional to 7,822.61, 11,718.79 and 4,349.33 is: 6,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.61 : 11,718.79 = 4,349.33 : x
  2. Step 2: Convert to fraction form
    7,822.61/11,718.79 = 4,349.33/x
  3. Step 3: Cross multiply
    7,822.61x = 11,718.79 × 4,349.33
  4. Step 4: Simplify right side
    7,822.61x = 50,968,826.32
  5. Step 5: Solve for x
    x = 50,968,826.32/7,822.61
  6. Step 6: Final answer
    x = 6,515.58

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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.