Home / 7,731.10-11,608.80-4,450.60

Finding the Fourth Proportional to 7,731.10, 11,608.80 and 4,450.60

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Solution

The fourth proportional to 7,731.10, 11,608.80 and 4,450.60 is: 6,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.10 : 11,608.80 = 4,450.60 : x
  2. Step 2: Convert to fraction form
    7,731.10/11,608.80 = 4,450.60/x
  3. Step 3: Cross multiply
    7,731.10x = 11,608.80 × 4,450.60
  4. Step 4: Simplify right side
    7,731.10x = 51,666,125.28
  5. Step 5: Solve for x
    x = 51,666,125.28/7,731.10
  6. Step 6: Final answer
    x = 6,682.89

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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.