Home / 4,669.76-6,998.40-3,431.36

Finding the Fourth Proportional to 4,669.76, 6,998.40 and 3,431.36

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Solution

The fourth proportional to 4,669.76, 6,998.40 and 3,431.36 is: 5,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.76 : 6,998.40 = 3,431.36 : x
  2. Step 2: Convert to fraction form
    4,669.76/6,998.40 = 3,431.36/x
  3. Step 3: Cross multiply
    4,669.76x = 6,998.40 × 3,431.36
  4. Step 4: Simplify right side
    4,669.76x = 24,014,029.82
  5. Step 5: Solve for x
    x = 24,014,029.82/4,669.76
  6. Step 6: Final answer
    x = 5,142.45

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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.