Home / 7,379.20-11,075.52-2,999.68

Finding the Fourth Proportional to 7,379.20, 11,075.52 and 2,999.68

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Solution

The fourth proportional to 7,379.20, 11,075.52 and 2,999.68 is: 4,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.20 : 11,075.52 = 2,999.68 : x
  2. Step 2: Convert to fraction form
    7,379.20/11,075.52 = 2,999.68/x
  3. Step 3: Cross multiply
    7,379.20x = 11,075.52 × 2,999.68
  4. Step 4: Simplify right side
    7,379.20x = 33,223,015.83
  5. Step 5: Solve for x
    x = 33,223,015.83/7,379.20
  6. Step 6: Final answer
    x = 4,502.25

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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.