Home / 4,984.85-6,878.16-3,096.90

Finding the Fourth Proportional to 4,984.85, 6,878.16 and 3,096.90

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Solution

The fourth proportional to 4,984.85, 6,878.16 and 3,096.90 is: 4,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.85 : 6,878.16 = 3,096.90 : x
  2. Step 2: Convert to fraction form
    4,984.85/6,878.16 = 3,096.90/x
  3. Step 3: Cross multiply
    4,984.85x = 6,878.16 × 3,096.90
  4. Step 4: Simplify right side
    4,984.85x = 21,300,973.70
  5. Step 5: Solve for x
    x = 21,300,973.70/4,984.85
  6. Step 6: Final answer
    x = 4,273.14

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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.