Home / 4,941.64-6,820.11-2,845.78

Finding the Fourth Proportional to 4,941.64, 6,820.11 and 2,845.78

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Solution

The fourth proportional to 4,941.64, 6,820.11 and 2,845.78 is: 3,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.64 : 6,820.11 = 2,845.78 : x
  2. Step 2: Convert to fraction form
    4,941.64/6,820.11 = 2,845.78/x
  3. Step 3: Cross multiply
    4,941.64x = 6,820.11 × 2,845.78
  4. Step 4: Simplify right side
    4,941.64x = 19,408,532.64
  5. Step 5: Solve for x
    x = 19,408,532.64/4,941.64
  6. Step 6: Final answer
    x = 3,927.55

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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.