Home / 4,113.60-6,170.40-1,922.55

Finding the Fourth Proportional to 4,113.60, 6,170.40 and 1,922.55

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Solution

The fourth proportional to 4,113.60, 6,170.40 and 1,922.55 is: 2,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.60 : 6,170.40 = 1,922.55 : x
  2. Step 2: Convert to fraction form
    4,113.60/6,170.40 = 1,922.55/x
  3. Step 3: Cross multiply
    4,113.60x = 6,170.40 × 1,922.55
  4. Step 4: Simplify right side
    4,113.60x = 11,862,902.52
  5. Step 5: Solve for x
    x = 11,862,902.52/4,113.60
  6. Step 6: Final answer
    x = 2,883.83

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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.