Home / 4,365.21-6,551.15-2,175.78

Finding the Fourth Proportional to 4,365.21, 6,551.15 and 2,175.78

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Solution

The fourth proportional to 4,365.21, 6,551.15 and 2,175.78 is: 3,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.21 : 6,551.15 = 2,175.78 : x
  2. Step 2: Convert to fraction form
    4,365.21/6,551.15 = 2,175.78/x
  3. Step 3: Cross multiply
    4,365.21x = 6,551.15 × 2,175.78
  4. Step 4: Simplify right side
    4,365.21x = 14,253,861.15
  5. Step 5: Solve for x
    x = 14,253,861.15/4,365.21
  6. Step 6: Final answer
    x = 3,265.33

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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.