Home / 4,193.02-6,286.40-2,111.50

Finding the Fourth Proportional to 4,193.02, 6,286.40 and 2,111.50

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Solution

The fourth proportional to 4,193.02, 6,286.40 and 2,111.50 is: 3,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.02 : 6,286.40 = 2,111.50 : x
  2. Step 2: Convert to fraction form
    4,193.02/6,286.40 = 2,111.50/x
  3. Step 3: Cross multiply
    4,193.02x = 6,286.40 × 2,111.50
  4. Step 4: Simplify right side
    4,193.02x = 13,273,733.60
  5. Step 5: Solve for x
    x = 13,273,733.60/4,193.02
  6. Step 6: Final answer
    x = 3,165.67

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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.