Home / 7,075.20-9,760.75-4,418.00

Finding the Fourth Proportional to 7,075.20, 9,760.75 and 4,418.00

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Solution

The fourth proportional to 7,075.20, 9,760.75 and 4,418.00 is: 6,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.20 : 9,760.75 = 4,418.00 : x
  2. Step 2: Convert to fraction form
    7,075.20/9,760.75 = 4,418.00/x
  3. Step 3: Cross multiply
    7,075.20x = 9,760.75 × 4,418.00
  4. Step 4: Simplify right side
    7,075.20x = 43,122,933.65
  5. Step 5: Solve for x
    x = 43,122,933.65/7,075.20
  6. Step 6: Final answer
    x = 6,094.94

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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.