Home / 5,453.21-8,172.95-2,954.30

Finding the Fourth Proportional to 5,453.21, 8,172.95 and 2,954.30

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Solution

The fourth proportional to 5,453.21, 8,172.95 and 2,954.30 is: 4,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.21 : 8,172.95 = 2,954.30 : x
  2. Step 2: Convert to fraction form
    5,453.21/8,172.95 = 2,954.30/x
  3. Step 3: Cross multiply
    5,453.21x = 8,172.95 × 2,954.30
  4. Step 4: Simplify right side
    5,453.21x = 24,145,290.55
  5. Step 5: Solve for x
    x = 24,145,290.55/5,453.21
  6. Step 6: Final answer
    x = 4,427.72

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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.