Home / 4,982.45-6,874.76-3,787.11

Finding the Fourth Proportional to 4,982.45, 6,874.76 and 3,787.11

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Solution

The fourth proportional to 4,982.45, 6,874.76 and 3,787.11 is: 5,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.45 : 6,874.76 = 3,787.11 : x
  2. Step 2: Convert to fraction form
    4,982.45/6,874.76 = 3,787.11/x
  3. Step 3: Cross multiply
    4,982.45x = 6,874.76 × 3,787.11
  4. Step 4: Simplify right side
    4,982.45x = 26,035,501.80
  5. Step 5: Solve for x
    x = 26,035,501.80/4,982.45
  6. Step 6: Final answer
    x = 5,225.45

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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.