Home / 7,647.32-11,466.20-3,203.78

Finding the Fourth Proportional to 7,647.32, 11,466.20 and 3,203.78

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Solution

The fourth proportional to 7,647.32, 11,466.20 and 3,203.78 is: 4,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.32 : 11,466.20 = 3,203.78 : x
  2. Step 2: Convert to fraction form
    7,647.32/11,466.20 = 3,203.78/x
  3. Step 3: Cross multiply
    7,647.32x = 11,466.20 × 3,203.78
  4. Step 4: Simplify right side
    7,647.32x = 36,735,235.47
  5. Step 5: Solve for x
    x = 36,735,235.47/7,647.32
  6. Step 6: Final answer
    x = 4,803.67

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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.