Home / 4,907.19-6,770.42-2,782.38

Finding the Fourth Proportional to 4,907.19, 6,770.42 and 2,782.38

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Solution

The fourth proportional to 4,907.19, 6,770.42 and 2,782.38 is: 3,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.19 : 6,770.42 = 2,782.38 : x
  2. Step 2: Convert to fraction form
    4,907.19/6,770.42 = 2,782.38/x
  3. Step 3: Cross multiply
    4,907.19x = 6,770.42 × 2,782.38
  4. Step 4: Simplify right side
    4,907.19x = 18,837,881.20
  5. Step 5: Solve for x
    x = 18,837,881.20/4,907.19
  6. Step 6: Final answer
    x = 3,838.83

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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.