Home / 8,511.09-12,765.90-2,963.49

Finding the Fourth Proportional to 8,511.09, 12,765.90 and 2,963.49

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Solution

The fourth proportional to 8,511.09, 12,765.90 and 2,963.49 is: 4,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.09 : 12,765.90 = 2,963.49 : x
  2. Step 2: Convert to fraction form
    8,511.09/12,765.90 = 2,963.49/x
  3. Step 3: Cross multiply
    8,511.09x = 12,765.90 × 2,963.49
  4. Step 4: Simplify right side
    8,511.09x = 37,831,616.99
  5. Step 5: Solve for x
    x = 37,831,616.99/8,511.09
  6. Step 6: Final answer
    x = 4,444.98

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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.