Home / 4,122.72-6,184.15-1,490.42

Finding the Fourth Proportional to 4,122.72, 6,184.15 and 1,490.42

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Solution

The fourth proportional to 4,122.72, 6,184.15 and 1,490.42 is: 2,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.72 : 6,184.15 = 1,490.42 : x
  2. Step 2: Convert to fraction form
    4,122.72/6,184.15 = 1,490.42/x
  3. Step 3: Cross multiply
    4,122.72x = 6,184.15 × 1,490.42
  4. Step 4: Simplify right side
    4,122.72x = 9,216,992.58
  5. Step 5: Solve for x
    x = 9,216,992.58/4,122.72
  6. Step 6: Final answer
    x = 2,235.66

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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.