Home / 4,940.10-6,820.47-3,819.06

Finding the Fourth Proportional to 4,940.10, 6,820.47 and 3,819.06

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Solution

The fourth proportional to 4,940.10, 6,820.47 and 3,819.06 is: 5,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.10 : 6,820.47 = 3,819.06 : x
  2. Step 2: Convert to fraction form
    4,940.10/6,820.47 = 3,819.06/x
  3. Step 3: Cross multiply
    4,940.10x = 6,820.47 × 3,819.06
  4. Step 4: Simplify right side
    4,940.10x = 26,047,784.16
  5. Step 5: Solve for x
    x = 26,047,784.16/4,940.10
  6. Step 6: Final answer
    x = 5,272.72

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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.