Home / 6,222.40-8,586.60-3,427.84

Finding the Fourth Proportional to 6,222.40, 8,586.60 and 3,427.84

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Solution

The fourth proportional to 6,222.40, 8,586.60 and 3,427.84 is: 4,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.40 : 8,586.60 = 3,427.84 : x
  2. Step 2: Convert to fraction form
    6,222.40/8,586.60 = 3,427.84/x
  3. Step 3: Cross multiply
    6,222.40x = 8,586.60 × 3,427.84
  4. Step 4: Simplify right side
    6,222.40x = 29,433,490.94
  5. Step 5: Solve for x
    x = 29,433,490.94/6,222.40
  6. Step 6: Final answer
    x = 4,730.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.