Home / 4,901.56-6,763.94-2,805.64

Finding the Fourth Proportional to 4,901.56, 6,763.94 and 2,805.64

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Solution

The fourth proportional to 4,901.56, 6,763.94 and 2,805.64 is: 3,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.56 : 6,763.94 = 2,805.64 : x
  2. Step 2: Convert to fraction form
    4,901.56/6,763.94 = 2,805.64/x
  3. Step 3: Cross multiply
    4,901.56x = 6,763.94 × 2,805.64
  4. Step 4: Simplify right side
    4,901.56x = 18,977,180.62
  5. Step 5: Solve for x
    x = 18,977,180.62/4,901.56
  6. Step 6: Final answer
    x = 3,871.66

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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.