Home / 4,120.84-6,181.50-1,199.08

Finding the Fourth Proportional to 4,120.84, 6,181.50 and 1,199.08

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Solution

The fourth proportional to 4,120.84, 6,181.50 and 1,199.08 is: 1,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.84 : 6,181.50 = 1,199.08 : x
  2. Step 2: Convert to fraction form
    4,120.84/6,181.50 = 1,199.08/x
  3. Step 3: Cross multiply
    4,120.84x = 6,181.50 × 1,199.08
  4. Step 4: Simplify right side
    4,120.84x = 7,412,113.02
  5. Step 5: Solve for x
    x = 7,412,113.02/4,120.84
  6. Step 6: Final answer
    x = 1,798.69

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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.