Home / 8,858.28-13,288.68-3,015.84

Finding the Fourth Proportional to 8,858.28, 13,288.68 and 3,015.84

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Solution

The fourth proportional to 8,858.28, 13,288.68 and 3,015.84 is: 4,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.28 : 13,288.68 = 3,015.84 : x
  2. Step 2: Convert to fraction form
    8,858.28/13,288.68 = 3,015.84/x
  3. Step 3: Cross multiply
    8,858.28x = 13,288.68 × 3,015.84
  4. Step 4: Simplify right side
    8,858.28x = 40,076,532.69
  5. Step 5: Solve for x
    x = 40,076,532.69/8,858.28
  6. Step 6: Final answer
    x = 4,524.19

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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.