Home / 4,288.98-6,433.38-1,515.63

Finding the Fourth Proportional to 4,288.98, 6,433.38 and 1,515.63

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Solution

The fourth proportional to 4,288.98, 6,433.38 and 1,515.63 is: 2,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.98 : 6,433.38 = 1,515.63 : x
  2. Step 2: Convert to fraction form
    4,288.98/6,433.38 = 1,515.63/x
  3. Step 3: Cross multiply
    4,288.98x = 6,433.38 × 1,515.63
  4. Step 4: Simplify right side
    4,288.98x = 9,750,623.73
  5. Step 5: Solve for x
    x = 9,750,623.73/4,288.98
  6. Step 6: Final answer
    x = 2,273.41

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1.5x scale

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.