Home / 7,133.09-10,698.42-1,937.75

Finding the Fourth Proportional to 7,133.09, 10,698.42 and 1,937.75

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Solution

The fourth proportional to 7,133.09, 10,698.42 and 1,937.75 is: 2,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.09 : 10,698.42 = 1,937.75 : x
  2. Step 2: Convert to fraction form
    7,133.09/10,698.42 = 1,937.75/x
  3. Step 3: Cross multiply
    7,133.09x = 10,698.42 × 1,937.75
  4. Step 4: Simplify right side
    7,133.09x = 20,730,863.36
  5. Step 5: Solve for x
    x = 20,730,863.36/7,133.09
  6. Step 6: Final answer
    x = 2,906.29

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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.