Home / 4,787.35-6,607.85-3,108.67

Finding the Fourth Proportional to 4,787.35, 6,607.85 and 3,108.67

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Solution

The fourth proportional to 4,787.35, 6,607.85 and 3,108.67 is: 4,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.35 : 6,607.85 = 3,108.67 : x
  2. Step 2: Convert to fraction form
    4,787.35/6,607.85 = 3,108.67/x
  3. Step 3: Cross multiply
    4,787.35x = 6,607.85 × 3,108.67
  4. Step 4: Simplify right side
    4,787.35x = 20,541,625.06
  5. Step 5: Solve for x
    x = 20,541,625.06/4,787.35
  6. Step 6: Final answer
    x = 4,290.81

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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.