Home / 4,286.90-6,430.08-1,367.30

Finding the Fourth Proportional to 4,286.90, 6,430.08 and 1,367.30

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Solution

The fourth proportional to 4,286.90, 6,430.08 and 1,367.30 is: 2,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.90 : 6,430.08 = 1,367.30 : x
  2. Step 2: Convert to fraction form
    4,286.90/6,430.08 = 1,367.30/x
  3. Step 3: Cross multiply
    4,286.90x = 6,430.08 × 1,367.30
  4. Step 4: Simplify right side
    4,286.90x = 8,791,848.38
  5. Step 5: Solve for x
    x = 8,791,848.38/4,286.90
  6. Step 6: Final answer
    x = 2,050.86

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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.