Home / 8,787.64-12,112.46-6,236.28

Finding the Fourth Proportional to 8,787.64, 12,112.46 and 6,236.28

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Solution

The fourth proportional to 8,787.64, 12,112.46 and 6,236.28 is: 8,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.64 : 12,112.46 = 6,236.28 : x
  2. Step 2: Convert to fraction form
    8,787.64/12,112.46 = 6,236.28/x
  3. Step 3: Cross multiply
    8,787.64x = 12,112.46 × 6,236.28
  4. Step 4: Simplify right side
    8,787.64x = 75,536,692.05
  5. Step 5: Solve for x
    x = 75,536,692.05/8,787.64
  6. Step 6: Final answer
    x = 8,595.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.