Home / 8,262.09-11,405.21-5,075.87

Finding the Fourth Proportional to 8,262.09, 11,405.21 and 5,075.87

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Solution

The fourth proportional to 8,262.09, 11,405.21 and 5,075.87 is: 7,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.09 : 11,405.21 = 5,075.87 : x
  2. Step 2: Convert to fraction form
    8,262.09/11,405.21 = 5,075.87/x
  3. Step 3: Cross multiply
    8,262.09x = 11,405.21 × 5,075.87
  4. Step 4: Simplify right side
    8,262.09x = 57,891,280.88
  5. Step 5: Solve for x
    x = 57,891,280.88/8,262.09
  6. Step 6: Final answer
    x = 7,006.86

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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.