Home / 7,961.98-10,986.50-4,424.51

Finding the Fourth Proportional to 7,961.98, 10,986.50 and 4,424.51

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Solution

The fourth proportional to 7,961.98, 10,986.50 and 4,424.51 is: 6,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.98 : 10,986.50 = 4,424.51 : x
  2. Step 2: Convert to fraction form
    7,961.98/10,986.50 = 4,424.51/x
  3. Step 3: Cross multiply
    7,961.98x = 10,986.50 × 4,424.51
  4. Step 4: Simplify right side
    7,961.98x = 48,609,879.12
  5. Step 5: Solve for x
    x = 48,609,879.12/7,961.98
  6. Step 6: Final answer
    x = 6,105.25

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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.