Home / 4,453.31-6,679.89-1,820.24

Finding the Fourth Proportional to 4,453.31, 6,679.89 and 1,820.24

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Solution

The fourth proportional to 4,453.31, 6,679.89 and 1,820.24 is: 2,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.31 : 6,679.89 = 1,820.24 : x
  2. Step 2: Convert to fraction form
    4,453.31/6,679.89 = 1,820.24/x
  3. Step 3: Cross multiply
    4,453.31x = 6,679.89 × 1,820.24
  4. Step 4: Simplify right side
    4,453.31x = 12,159,002.97
  5. Step 5: Solve for x
    x = 12,159,002.97/4,453.31
  6. Step 6: Final answer
    x = 2,730.33

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1.5x scale

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.