Home / 7,923.25-11,896.55-4,420.10

Finding the Fourth Proportional to 7,923.25, 11,896.55 and 4,420.10

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Solution

The fourth proportional to 7,923.25, 11,896.55 and 4,420.10 is: 6,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.25 : 11,896.55 = 4,420.10 : x
  2. Step 2: Convert to fraction form
    7,923.25/11,896.55 = 4,420.10/x
  3. Step 3: Cross multiply
    7,923.25x = 11,896.55 × 4,420.10
  4. Step 4: Simplify right side
    7,923.25x = 52,583,859.07
  5. Step 5: Solve for x
    x = 52,583,859.07/7,923.25
  6. Step 6: Final answer
    x = 6,636.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.