Home / 7,519.43-10,376.75-4,162.25

Finding the Fourth Proportional to 7,519.43, 10,376.75 and 4,162.25

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Solution

The fourth proportional to 7,519.43, 10,376.75 and 4,162.25 is: 5,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.43 : 10,376.75 = 4,162.25 : x
  2. Step 2: Convert to fraction form
    7,519.43/10,376.75 = 4,162.25/x
  3. Step 3: Cross multiply
    7,519.43x = 10,376.75 × 4,162.25
  4. Step 4: Simplify right side
    7,519.43x = 43,190,554.99
  5. Step 5: Solve for x
    x = 43,190,554.99/7,519.43
  6. Step 6: Final answer
    x = 5,743.86

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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.