Home / 7,519.37-10,376.62-4,161.98

Finding the Fourth Proportional to 7,519.37, 10,376.62 and 4,161.98

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Solution

The fourth proportional to 7,519.37, 10,376.62 and 4,161.98 is: 5,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.37 : 10,376.62 = 4,161.98 : x
  2. Step 2: Convert to fraction form
    7,519.37/10,376.62 = 4,161.98/x
  3. Step 3: Cross multiply
    7,519.37x = 10,376.62 × 4,161.98
  4. Step 4: Simplify right side
    7,519.37x = 43,187,284.91
  5. Step 5: Solve for x
    x = 43,187,284.91/7,519.37
  6. Step 6: Final answer
    x = 5,743.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.