Home / 5,126.37-7,690.58-1,839.72

Finding the Fourth Proportional to 5,126.37, 7,690.58 and 1,839.72

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Solution

The fourth proportional to 5,126.37, 7,690.58 and 1,839.72 is: 2,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.37 : 7,690.58 = 1,839.72 : x
  2. Step 2: Convert to fraction form
    5,126.37/7,690.58 = 1,839.72/x
  3. Step 3: Cross multiply
    5,126.37x = 7,690.58 × 1,839.72
  4. Step 4: Simplify right side
    5,126.37x = 14,148,504.64
  5. Step 5: Solve for x
    x = 14,148,504.64/5,126.37
  6. Step 6: Final answer
    x = 2,759.95

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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.