Home / 8,928.99-13,396.73-3,086.19

Finding the Fourth Proportional to 8,928.99, 13,396.73 and 3,086.19

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Solution

The fourth proportional to 8,928.99, 13,396.73 and 3,086.19 is: 4,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.99 : 13,396.73 = 3,086.19 : x
  2. Step 2: Convert to fraction form
    8,928.99/13,396.73 = 3,086.19/x
  3. Step 3: Cross multiply
    8,928.99x = 13,396.73 × 3,086.19
  4. Step 4: Simplify right side
    8,928.99x = 41,344,838.73
  5. Step 5: Solve for x
    x = 41,344,838.73/8,928.99
  6. Step 6: Final answer
    x = 4,630.40

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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.