Home / 4,074.60-6,111.90-2,126.55

Finding the Fourth Proportional to 4,074.60, 6,111.90 and 2,126.55

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Solution

The fourth proportional to 4,074.60, 6,111.90 and 2,126.55 is: 3,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.60 : 6,111.90 = 2,126.55 : x
  2. Step 2: Convert to fraction form
    4,074.60/6,111.90 = 2,126.55/x
  3. Step 3: Cross multiply
    4,074.60x = 6,111.90 × 2,126.55
  4. Step 4: Simplify right side
    4,074.60x = 12,997,260.95
  5. Step 5: Solve for x
    x = 12,997,260.95/4,074.60
  6. Step 6: Final answer
    x = 3,189.83

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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.