Home / 8,427.46-12,648.94-4,270.36

Finding the Fourth Proportional to 8,427.46, 12,648.94 and 4,270.36

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Solution

The fourth proportional to 8,427.46, 12,648.94 and 4,270.36 is: 6,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.46 : 12,648.94 = 4,270.36 : x
  2. Step 2: Convert to fraction form
    8,427.46/12,648.94 = 4,270.36/x
  3. Step 3: Cross multiply
    8,427.46x = 12,648.94 × 4,270.36
  4. Step 4: Simplify right side
    8,427.46x = 54,015,527.42
  5. Step 5: Solve for x
    x = 54,015,527.42/8,427.46
  6. Step 6: Final answer
    x = 6,409.47

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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.