Home / 4,142.32-6,214.74-1,676.68

Finding the Fourth Proportional to 4,142.32, 6,214.74 and 1,676.68

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Solution

The fourth proportional to 4,142.32, 6,214.74 and 1,676.68 is: 2,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.32 : 6,214.74 = 1,676.68 : x
  2. Step 2: Convert to fraction form
    4,142.32/6,214.74 = 1,676.68/x
  3. Step 3: Cross multiply
    4,142.32x = 6,214.74 × 1,676.68
  4. Step 4: Simplify right side
    4,142.32x = 10,420,130.26
  5. Step 5: Solve for x
    x = 10,420,130.26/4,142.32
  6. Step 6: Final answer
    x = 2,515.53

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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.