Home / 4,902.85-6,763.30-3,107.08

Finding the Fourth Proportional to 4,902.85, 6,763.30 and 3,107.08

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Solution

The fourth proportional to 4,902.85, 6,763.30 and 3,107.08 is: 4,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.85 : 6,763.30 = 3,107.08 : x
  2. Step 2: Convert to fraction form
    4,902.85/6,763.30 = 3,107.08/x
  3. Step 3: Cross multiply
    4,902.85x = 6,763.30 × 3,107.08
  4. Step 4: Simplify right side
    4,902.85x = 21,014,114.16
  5. Step 5: Solve for x
    x = 21,014,114.16/4,902.85
  6. Step 6: Final answer
    x = 4,286.10

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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.