Home / 7,777.90-10,733.52-4,420.73

Finding the Fourth Proportional to 7,777.90, 10,733.52 and 4,420.73

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Solution

The fourth proportional to 7,777.90, 10,733.52 and 4,420.73 is: 6,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.90 : 10,733.52 = 4,420.73 : x
  2. Step 2: Convert to fraction form
    7,777.90/10,733.52 = 4,420.73/x
  3. Step 3: Cross multiply
    7,777.90x = 10,733.52 × 4,420.73
  4. Step 4: Simplify right side
    7,777.90x = 47,450,020.70
  5. Step 5: Solve for x
    x = 47,450,020.70/7,777.90
  6. Step 6: Final answer
    x = 6,100.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.