Home / 4,390.50-6,586.40-1,616.96

Finding the Fourth Proportional to 4,390.50, 6,586.40 and 1,616.96

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Solution

The fourth proportional to 4,390.50, 6,586.40 and 1,616.96 is: 2,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.50 : 6,586.40 = 1,616.96 : x
  2. Step 2: Convert to fraction form
    4,390.50/6,586.40 = 1,616.96/x
  3. Step 3: Cross multiply
    4,390.50x = 6,586.40 × 1,616.96
  4. Step 4: Simplify right side
    4,390.50x = 10,649,912.41
  5. Step 5: Solve for x
    x = 10,649,912.41/4,390.50
  6. Step 6: Final answer
    x = 2,425.67

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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.