Home / 4,189.16-6,283.62-1,415.81

Finding the Fourth Proportional to 4,189.16, 6,283.62 and 1,415.81

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Solution

The fourth proportional to 4,189.16, 6,283.62 and 1,415.81 is: 2,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.16 : 6,283.62 = 1,415.81 : x
  2. Step 2: Convert to fraction form
    4,189.16/6,283.62 = 1,415.81/x
  3. Step 3: Cross multiply
    4,189.16x = 6,283.62 × 1,415.81
  4. Step 4: Simplify right side
    4,189.16x = 8,896,380.61
  5. Step 5: Solve for x
    x = 8,896,380.61/4,189.16
  6. Step 6: Final answer
    x = 2,123.67

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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.