Home / 4,735.13-7,103.60-2,138.07

Finding the Fourth Proportional to 4,735.13, 7,103.60 and 2,138.07

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Solution

The fourth proportional to 4,735.13, 7,103.60 and 2,138.07 is: 3,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.13 : 7,103.60 = 2,138.07 : x
  2. Step 2: Convert to fraction form
    4,735.13/7,103.60 = 2,138.07/x
  3. Step 3: Cross multiply
    4,735.13x = 7,103.60 × 2,138.07
  4. Step 4: Simplify right side
    4,735.13x = 15,187,994.05
  5. Step 5: Solve for x
    x = 15,187,994.05/4,735.13
  6. Step 6: Final answer
    x = 3,207.51

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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.