Home / 4,902.04-6,765.78-2,807.56

Finding the Fourth Proportional to 4,902.04, 6,765.78 and 2,807.56

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Solution

The fourth proportional to 4,902.04, 6,765.78 and 2,807.56 is: 3,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.04 : 6,765.78 = 2,807.56 : x
  2. Step 2: Convert to fraction form
    4,902.04/6,765.78 = 2,807.56/x
  3. Step 3: Cross multiply
    4,902.04x = 6,765.78 × 2,807.56
  4. Step 4: Simplify right side
    4,902.04x = 18,995,333.30
  5. Step 5: Solve for x
    x = 18,995,333.30/4,902.04
  6. Step 6: Final answer
    x = 3,874.99

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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.