Home / 4,099.56-5,643.18-3,103.08

Finding the Fourth Proportional to 4,099.56, 5,643.18 and 3,103.08

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Solution

The fourth proportional to 4,099.56, 5,643.18 and 3,103.08 is: 4,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.56 : 5,643.18 = 3,103.08 : x
  2. Step 2: Convert to fraction form
    4,099.56/5,643.18 = 3,103.08/x
  3. Step 3: Cross multiply
    4,099.56x = 5,643.18 × 3,103.08
  4. Step 4: Simplify right side
    4,099.56x = 17,511,238.99
  5. Step 5: Solve for x
    x = 17,511,238.99/4,099.56
  6. Step 6: Final answer
    x = 4,271.49

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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.