Home / 5,116.22-7,059.88-2,878.04

Finding the Fourth Proportional to 5,116.22, 7,059.88 and 2,878.04

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Solution

The fourth proportional to 5,116.22, 7,059.88 and 2,878.04 is: 3,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.22 : 7,059.88 = 2,878.04 : x
  2. Step 2: Convert to fraction form
    5,116.22/7,059.88 = 2,878.04/x
  3. Step 3: Cross multiply
    5,116.22x = 7,059.88 × 2,878.04
  4. Step 4: Simplify right side
    5,116.22x = 20,318,627.49
  5. Step 5: Solve for x
    x = 20,318,627.49/5,116.22
  6. Step 6: Final answer
    x = 3,971.42

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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.