Home / 4,289.33-6,432.86-1,515.65

Finding the Fourth Proportional to 4,289.33, 6,432.86 and 1,515.65

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Solution

The fourth proportional to 4,289.33, 6,432.86 and 1,515.65 is: 2,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.33 : 6,432.86 = 1,515.65 : x
  2. Step 2: Convert to fraction form
    4,289.33/6,432.86 = 1,515.65/x
  3. Step 3: Cross multiply
    4,289.33x = 6,432.86 × 1,515.65
  4. Step 4: Simplify right side
    4,289.33x = 9,749,935.88
  5. Step 5: Solve for x
    x = 9,749,935.88/4,289.33
  6. Step 6: Final answer
    x = 2,273.07

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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.