Home / 5,114.04-7,059.78-2,989.26

Finding the Fourth Proportional to 5,114.04, 7,059.78 and 2,989.26

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Solution

The fourth proportional to 5,114.04, 7,059.78 and 2,989.26 is: 4,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.04 : 7,059.78 = 2,989.26 : x
  2. Step 2: Convert to fraction form
    5,114.04/7,059.78 = 2,989.26/x
  3. Step 3: Cross multiply
    5,114.04x = 7,059.78 × 2,989.26
  4. Step 4: Simplify right side
    5,114.04x = 21,103,517.96
  5. Step 5: Solve for x
    x = 21,103,517.96/5,114.04
  6. Step 6: Final answer
    x = 4,126.58

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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.