Home / 8,515.11-12,774.96-2,968.77

Finding the Fourth Proportional to 8,515.11, 12,774.96 and 2,968.77

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Solution

The fourth proportional to 8,515.11, 12,774.96 and 2,968.77 is: 4,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.11 : 12,774.96 = 2,968.77 : x
  2. Step 2: Convert to fraction form
    8,515.11/12,774.96 = 2,968.77/x
  3. Step 3: Cross multiply
    8,515.11x = 12,774.96 × 2,968.77
  4. Step 4: Simplify right side
    8,515.11x = 37,925,918.00
  5. Step 5: Solve for x
    x = 37,925,918.00/8,515.11
  6. Step 6: Final answer
    x = 4,453.96

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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.