Home / 7,960.82-10,985.60-4,424.36

Finding the Fourth Proportional to 7,960.82, 10,985.60 and 4,424.36

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Solution

The fourth proportional to 7,960.82, 10,985.60 and 4,424.36 is: 6,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.82 : 10,985.60 = 4,424.36 : x
  2. Step 2: Convert to fraction form
    7,960.82/10,985.60 = 4,424.36/x
  3. Step 3: Cross multiply
    7,960.82x = 10,985.60 × 4,424.36
  4. Step 4: Simplify right side
    7,960.82x = 48,604,249.22
  5. Step 5: Solve for x
    x = 48,604,249.22/7,960.82
  6. Step 6: Final answer
    x = 6,105.43

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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.