Home / 6,620.06-9,135.79-3,635.96

Finding the Fourth Proportional to 6,620.06, 9,135.79 and 3,635.96

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Solution

The fourth proportional to 6,620.06, 9,135.79 and 3,635.96 is: 5,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.06 : 9,135.79 = 3,635.96 : x
  2. Step 2: Convert to fraction form
    6,620.06/9,135.79 = 3,635.96/x
  3. Step 3: Cross multiply
    6,620.06x = 9,135.79 × 3,635.96
  4. Step 4: Simplify right side
    6,620.06x = 33,217,312.24
  5. Step 5: Solve for x
    x = 33,217,312.24/6,620.06
  6. Step 6: Final answer
    x = 5,017.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.