Home / 4,429.09-6,643.82-1,655.48

Finding the Fourth Proportional to 4,429.09, 6,643.82 and 1,655.48

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Solution

The fourth proportional to 4,429.09, 6,643.82 and 1,655.48 is: 2,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.09 : 6,643.82 = 1,655.48 : x
  2. Step 2: Convert to fraction form
    4,429.09/6,643.82 = 1,655.48/x
  3. Step 3: Cross multiply
    4,429.09x = 6,643.82 × 1,655.48
  4. Step 4: Simplify right side
    4,429.09x = 10,998,731.88
  5. Step 5: Solve for x
    x = 10,998,731.88/4,429.09
  6. Step 6: Final answer
    x = 2,483.29

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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.