Home / 3,656.39-5,486.69-3,626.67

Finding the Fourth Proportional to 3,656.39, 5,486.69 and 3,626.67

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Solution

The fourth proportional to 3,656.39, 5,486.69 and 3,626.67 is: 5,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.39 : 5,486.69 = 3,626.67 : x
  2. Step 2: Convert to fraction form
    3,656.39/5,486.69 = 3,626.67/x
  3. Step 3: Cross multiply
    3,656.39x = 5,486.69 × 3,626.67
  4. Step 4: Simplify right side
    3,656.39x = 19,898,414.02
  5. Step 5: Solve for x
    x = 19,898,414.02/3,656.39
  6. Step 6: Final answer
    x = 5,442.09

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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.