Home / 8,010.20-12,075.39-7,475

Finding the Fourth Proportional to 8,010.20, 12,075.39 and 7,475

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Solution

The fourth proportional to 8,010.20, 12,075.39 and 7,475 is: 11,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.20 : 12,075.39 = 7,475 : x
  2. Step 2: Convert to fraction form
    8,010.20/12,075.39 = 7,475/x
  3. Step 3: Cross multiply
    8,010.20x = 12,075.39 × 7,475
  4. Step 4: Simplify right side
    8,010.20x = 90,263,540.25
  5. Step 5: Solve for x
    x = 90,263,540.25/8,010.20
  6. Step 6: Final answer
    x = 11,268.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.