Home / 6,143.28-9,211.53-2,193.90

Finding the Fourth Proportional to 6,143.28, 9,211.53 and 2,193.90

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Solution

The fourth proportional to 6,143.28, 9,211.53 and 2,193.90 is: 3,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.28 : 9,211.53 = 2,193.90 : x
  2. Step 2: Convert to fraction form
    6,143.28/9,211.53 = 2,193.90/x
  3. Step 3: Cross multiply
    6,143.28x = 9,211.53 × 2,193.90
  4. Step 4: Simplify right side
    6,143.28x = 20,209,175.67
  5. Step 5: Solve for x
    x = 20,209,175.67/6,143.28
  6. Step 6: Final answer
    x = 3,289.64

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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.