Home / 5,289.81-7,933.41-2,170.70

Finding the Fourth Proportional to 5,289.81, 7,933.41 and 2,170.70

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Solution

The fourth proportional to 5,289.81, 7,933.41 and 2,170.70 is: 3,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.81 : 7,933.41 = 2,170.70 : x
  2. Step 2: Convert to fraction form
    5,289.81/7,933.41 = 2,170.70/x
  3. Step 3: Cross multiply
    5,289.81x = 7,933.41 × 2,170.70
  4. Step 4: Simplify right side
    5,289.81x = 17,221,042.23
  5. Step 5: Solve for x
    x = 17,221,042.23/5,289.81
  6. Step 6: Final answer
    x = 3,255.51

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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.