Home / 4,269.38-6,403.30-1,148.67

Finding the Fourth Proportional to 4,269.38, 6,403.30 and 1,148.67

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Solution

The fourth proportional to 4,269.38, 6,403.30 and 1,148.67 is: 1,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.38 : 6,403.30 = 1,148.67 : x
  2. Step 2: Convert to fraction form
    4,269.38/6,403.30 = 1,148.67/x
  3. Step 3: Cross multiply
    4,269.38x = 6,403.30 × 1,148.67
  4. Step 4: Simplify right side
    4,269.38x = 7,355,273.20
  5. Step 5: Solve for x
    x = 7,355,273.20/4,269.38
  6. Step 6: Final answer
    x = 1,722.80

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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.