Home / 6,418.64-9,629.40-2,036.24

Finding the Fourth Proportional to 6,418.64, 9,629.40 and 2,036.24

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Solution

The fourth proportional to 6,418.64, 9,629.40 and 2,036.24 is: 3,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.64 : 9,629.40 = 2,036.24 : x
  2. Step 2: Convert to fraction form
    6,418.64/9,629.40 = 2,036.24/x
  3. Step 3: Cross multiply
    6,418.64x = 9,629.40 × 2,036.24
  4. Step 4: Simplify right side
    6,418.64x = 19,607,769.46
  5. Step 5: Solve for x
    x = 19,607,769.46/6,418.64
  6. Step 6: Final answer
    x = 3,054.82

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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.