Home / 7,845.56-11,771.58-4,146.90

Finding the Fourth Proportional to 7,845.56, 11,771.58 and 4,146.90

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Solution

The fourth proportional to 7,845.56, 11,771.58 and 4,146.90 is: 6,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.56 : 11,771.58 = 4,146.90 : x
  2. Step 2: Convert to fraction form
    7,845.56/11,771.58 = 4,146.90/x
  3. Step 3: Cross multiply
    7,845.56x = 11,771.58 × 4,146.90
  4. Step 4: Simplify right side
    7,845.56x = 48,815,565.10
  5. Step 5: Solve for x
    x = 48,815,565.10/7,845.56
  6. Step 6: Final answer
    x = 6,222.06

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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.