Home / 5,485.41-8,211.09-4,436.67

Finding the Fourth Proportional to 5,485.41, 8,211.09 and 4,436.67

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Solution

The fourth proportional to 5,485.41, 8,211.09 and 4,436.67 is: 6,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.41 : 8,211.09 = 4,436.67 : x
  2. Step 2: Convert to fraction form
    5,485.41/8,211.09 = 4,436.67/x
  3. Step 3: Cross multiply
    5,485.41x = 8,211.09 × 4,436.67
  4. Step 4: Simplify right side
    5,485.41x = 36,429,896.67
  5. Step 5: Solve for x
    x = 36,429,896.67/5,485.41
  6. Step 6: Final answer
    x = 6,641.23

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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.