Home / 4,460.36-6,690.33-2,121.48

Finding the Fourth Proportional to 4,460.36, 6,690.33 and 2,121.48

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Solution

The fourth proportional to 4,460.36, 6,690.33 and 2,121.48 is: 3,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.36 : 6,690.33 = 2,121.48 : x
  2. Step 2: Convert to fraction form
    4,460.36/6,690.33 = 2,121.48/x
  3. Step 3: Cross multiply
    4,460.36x = 6,690.33 × 2,121.48
  4. Step 4: Simplify right side
    4,460.36x = 14,193,401.29
  5. Step 5: Solve for x
    x = 14,193,401.29/4,460.36
  6. Step 6: Final answer
    x = 3,182.12

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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.