Home / 4,729.23-7,091.42-2,130.75

Finding the Fourth Proportional to 4,729.23, 7,091.42 and 2,130.75

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Solution

The fourth proportional to 4,729.23, 7,091.42 and 2,130.75 is: 3,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.23 : 7,091.42 = 2,130.75 : x
  2. Step 2: Convert to fraction form
    4,729.23/7,091.42 = 2,130.75/x
  3. Step 3: Cross multiply
    4,729.23x = 7,091.42 × 2,130.75
  4. Step 4: Simplify right side
    4,729.23x = 15,110,032.51
  5. Step 5: Solve for x
    x = 15,110,032.51/4,729.23
  6. Step 6: Final answer
    x = 3,195.03

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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.