Home / 5,140.39-7,093.68-2,902.36

Finding the Fourth Proportional to 5,140.39, 7,093.68 and 2,902.36

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Solution

The fourth proportional to 5,140.39, 7,093.68 and 2,902.36 is: 4,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.39 : 7,093.68 = 2,902.36 : x
  2. Step 2: Convert to fraction form
    5,140.39/7,093.68 = 2,902.36/x
  3. Step 3: Cross multiply
    5,140.39x = 7,093.68 × 2,902.36
  4. Step 4: Simplify right side
    5,140.39x = 20,588,446.14
  5. Step 5: Solve for x
    x = 20,588,446.14/5,140.39
  6. Step 6: Final answer
    x = 4,005.23

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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.