Home / 7,519.21-10,376.89-4,162.39

Finding the Fourth Proportional to 7,519.21, 10,376.89 and 4,162.39

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Solution

The fourth proportional to 7,519.21, 10,376.89 and 4,162.39 is: 5,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.21 : 10,376.89 = 4,162.39 : x
  2. Step 2: Convert to fraction form
    7,519.21/10,376.89 = 4,162.39/x
  3. Step 3: Cross multiply
    7,519.21x = 10,376.89 × 4,162.39
  4. Step 4: Simplify right side
    7,519.21x = 43,192,663.17
  5. Step 5: Solve for x
    x = 43,192,663.17/7,519.21
  6. Step 6: Final answer
    x = 5,744.31

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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.