Home / 4,874.40-7,306.20-2,100.60

Finding the Fourth Proportional to 4,874.40, 7,306.20 and 2,100.60

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Solution

The fourth proportional to 4,874.40, 7,306.20 and 2,100.60 is: 3,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.40 : 7,306.20 = 2,100.60 : x
  2. Step 2: Convert to fraction form
    4,874.40/7,306.20 = 2,100.60/x
  3. Step 3: Cross multiply
    4,874.40x = 7,306.20 × 2,100.60
  4. Step 4: Simplify right side
    4,874.40x = 15,347,403.72
  5. Step 5: Solve for x
    x = 15,347,403.72/4,874.40
  6. Step 6: Final answer
    x = 3,148.57

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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.