Home / 4,289.15-6,434.24-1,515.25

Finding the Fourth Proportional to 4,289.15, 6,434.24 and 1,515.25

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Solution

The fourth proportional to 4,289.15, 6,434.24 and 1,515.25 is: 2,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.15 : 6,434.24 = 1,515.25 : x
  2. Step 2: Convert to fraction form
    4,289.15/6,434.24 = 1,515.25/x
  3. Step 3: Cross multiply
    4,289.15x = 6,434.24 × 1,515.25
  4. Step 4: Simplify right side
    4,289.15x = 9,749,477.13
  5. Step 5: Solve for x
    x = 9,749,477.13/4,289.15
  6. Step 6: Final answer
    x = 2,273.06

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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.