Home / 7,887.02-11,818.84-3,201.32

Finding the Fourth Proportional to 7,887.02, 11,818.84 and 3,201.32

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Solution

The fourth proportional to 7,887.02, 11,818.84 and 3,201.32 is: 4,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.02 : 11,818.84 = 3,201.32 : x
  2. Step 2: Convert to fraction form
    7,887.02/11,818.84 = 3,201.32/x
  3. Step 3: Cross multiply
    7,887.02x = 11,818.84 × 3,201.32
  4. Step 4: Simplify right side
    7,887.02x = 37,835,918.49
  5. Step 5: Solve for x
    x = 37,835,918.49/7,887.02
  6. Step 6: Final answer
    x = 4,797.24

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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.