Home / 4,460.40-6,689.52-2,119.37

Finding the Fourth Proportional to 4,460.40, 6,689.52 and 2,119.37

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Solution

The fourth proportional to 4,460.40, 6,689.52 and 2,119.37 is: 3,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.40 : 6,689.52 = 2,119.37 : x
  2. Step 2: Convert to fraction form
    4,460.40/6,689.52 = 2,119.37/x
  3. Step 3: Cross multiply
    4,460.40x = 6,689.52 × 2,119.37
  4. Step 4: Simplify right side
    4,460.40x = 14,177,534.55
  5. Step 5: Solve for x
    x = 14,177,534.55/4,460.40
  6. Step 6: Final answer
    x = 3,178.53

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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.