Home / 5,140.56-7,093.44-2,902.68

Finding the Fourth Proportional to 5,140.56, 7,093.44 and 2,902.68

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Solution

The fourth proportional to 5,140.56, 7,093.44 and 2,902.68 is: 4,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.56 : 7,093.44 = 2,902.68 : x
  2. Step 2: Convert to fraction form
    5,140.56/7,093.44 = 2,902.68/x
  3. Step 3: Cross multiply
    5,140.56x = 7,093.44 × 2,902.68
  4. Step 4: Simplify right side
    5,140.56x = 20,589,986.42
  5. Step 5: Solve for x
    x = 20,589,986.42/5,140.56
  6. Step 6: Final answer
    x = 4,005.40

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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.