Home / 8,853.30-13,273.79-3,920.27

Finding the Fourth Proportional to 8,853.30, 13,273.79 and 3,920.27

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Solution

The fourth proportional to 8,853.30, 13,273.79 and 3,920.27 is: 5,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.30 : 13,273.79 = 3,920.27 : x
  2. Step 2: Convert to fraction form
    8,853.30/13,273.79 = 3,920.27/x
  3. Step 3: Cross multiply
    8,853.30x = 13,273.79 × 3,920.27
  4. Step 4: Simplify right side
    8,853.30x = 52,036,754.75
  5. Step 5: Solve for x
    x = 52,036,754.75/8,853.30
  6. Step 6: Final answer
    x = 5,877.67

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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.