Home / 5,140.42-7,093.84-2,902.38

Finding the Fourth Proportional to 5,140.42, 7,093.84 and 2,902.38

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Solution

The fourth proportional to 5,140.42, 7,093.84 and 2,902.38 is: 4,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.42 : 7,093.84 = 2,902.38 : x
  2. Step 2: Convert to fraction form
    5,140.42/7,093.84 = 2,902.38/x
  3. Step 3: Cross multiply
    5,140.42x = 7,093.84 × 2,902.38
  4. Step 4: Simplify right side
    5,140.42x = 20,589,019.34
  5. Step 5: Solve for x
    x = 20,589,019.34/5,140.42
  6. Step 6: Final answer
    x = 4,005.32

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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.