Home / 8,954.28-13,427.98-4,270.73

Finding the Fourth Proportional to 8,954.28, 13,427.98 and 4,270.73

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Solution

The fourth proportional to 8,954.28, 13,427.98 and 4,270.73 is: 6,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.28 : 13,427.98 = 4,270.73 : x
  2. Step 2: Convert to fraction form
    8,954.28/13,427.98 = 4,270.73/x
  3. Step 3: Cross multiply
    8,954.28x = 13,427.98 × 4,270.73
  4. Step 4: Simplify right side
    8,954.28x = 57,347,199.21
  5. Step 5: Solve for x
    x = 57,347,199.21/8,954.28
  6. Step 6: Final answer
    x = 6,404.45

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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.