Home / 8,758.28-13,135.44-2,518.28

Finding the Fourth Proportional to 8,758.28, 13,135.44 and 2,518.28

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Solution

The fourth proportional to 8,758.28, 13,135.44 and 2,518.28 is: 3,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.28 : 13,135.44 = 2,518.28 : x
  2. Step 2: Convert to fraction form
    8,758.28/13,135.44 = 2,518.28/x
  3. Step 3: Cross multiply
    8,758.28x = 13,135.44 × 2,518.28
  4. Step 4: Simplify right side
    8,758.28x = 33,078,715.84
  5. Step 5: Solve for x
    x = 33,078,715.84/8,758.28
  6. Step 6: Final answer
    x = 3,776.85

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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.