Home / 8,266.42-11,399.26-7,075.36

Finding the Fourth Proportional to 8,266.42, 11,399.26 and 7,075.36

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Solution

The fourth proportional to 8,266.42, 11,399.26 and 7,075.36 is: 9,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.42 : 11,399.26 = 7,075.36 : x
  2. Step 2: Convert to fraction form
    8,266.42/11,399.26 = 7,075.36/x
  3. Step 3: Cross multiply
    8,266.42x = 11,399.26 × 7,075.36
  4. Step 4: Simplify right side
    8,266.42x = 80,653,868.23
  5. Step 5: Solve for x
    x = 80,653,868.23/8,266.42
  6. Step 6: Final answer
    x = 9,756.81

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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.