Home / 6,618.03-9,919.35-2,455.38

Finding the Fourth Proportional to 6,618.03, 9,919.35 and 2,455.38

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Solution

The fourth proportional to 6,618.03, 9,919.35 and 2,455.38 is: 3,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.03 : 9,919.35 = 2,455.38 : x
  2. Step 2: Convert to fraction form
    6,618.03/9,919.35 = 2,455.38/x
  3. Step 3: Cross multiply
    6,618.03x = 9,919.35 × 2,455.38
  4. Step 4: Simplify right side
    6,618.03x = 24,355,748.93
  5. Step 5: Solve for x
    x = 24,355,748.93/6,618.03
  6. Step 6: Final answer
    x = 3,680.21

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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.