Home / 4,743.15-7,114.58-2,146.09

Finding the Fourth Proportional to 4,743.15, 7,114.58 and 2,146.09

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Solution

The fourth proportional to 4,743.15, 7,114.58 and 2,146.09 is: 3,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.15 : 7,114.58 = 2,146.09 : x
  2. Step 2: Convert to fraction form
    4,743.15/7,114.58 = 2,146.09/x
  3. Step 3: Cross multiply
    4,743.15x = 7,114.58 × 2,146.09
  4. Step 4: Simplify right side
    4,743.15x = 15,268,518.26
  5. Step 5: Solve for x
    x = 15,268,518.26/4,743.15
  6. Step 6: Final answer
    x = 3,219.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.