Home / 8,511.64-12,758.75-2,960.44

Finding the Fourth Proportional to 8,511.64, 12,758.75 and 2,960.44

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Solution

The fourth proportional to 8,511.64, 12,758.75 and 2,960.44 is: 4,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.64 : 12,758.75 = 2,960.44 : x
  2. Step 2: Convert to fraction form
    8,511.64/12,758.75 = 2,960.44/x
  3. Step 3: Cross multiply
    8,511.64x = 12,758.75 × 2,960.44
  4. Step 4: Simplify right side
    8,511.64x = 37,771,513.85
  5. Step 5: Solve for x
    x = 37,771,513.85/8,511.64
  6. Step 6: Final answer
    x = 4,437.63

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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.