Home / 5,424.63-8,137.75-1,962.69

Finding the Fourth Proportional to 5,424.63, 8,137.75 and 1,962.69

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Solution

The fourth proportional to 5,424.63, 8,137.75 and 1,962.69 is: 2,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.63 : 8,137.75 = 1,962.69 : x
  2. Step 2: Convert to fraction form
    5,424.63/8,137.75 = 1,962.69/x
  3. Step 3: Cross multiply
    5,424.63x = 8,137.75 × 1,962.69
  4. Step 4: Simplify right side
    5,424.63x = 15,971,839.86
  5. Step 5: Solve for x
    x = 15,971,839.86/5,424.63
  6. Step 6: Final answer
    x = 2,944.32

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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.