Home / 8,954.59-13,428.38-5,257.75

Finding the Fourth Proportional to 8,954.59, 13,428.38 and 5,257.75

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Solution

The fourth proportional to 8,954.59, 13,428.38 and 5,257.75 is: 7,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.59 : 13,428.38 = 5,257.75 : x
  2. Step 2: Convert to fraction form
    8,954.59/13,428.38 = 5,257.75/x
  3. Step 3: Cross multiply
    8,954.59x = 13,428.38 × 5,257.75
  4. Step 4: Simplify right side
    8,954.59x = 70,603,038.66
  5. Step 5: Solve for x
    x = 70,603,038.66/8,954.59
  6. Step 6: Final answer
    x = 7,884.56

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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.