Home / 8,075.69-12,113.57-2,528.56

Finding the Fourth Proportional to 8,075.69, 12,113.57 and 2,528.56

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Solution

The fourth proportional to 8,075.69, 12,113.57 and 2,528.56 is: 3,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.69 : 12,113.57 = 2,528.56 : x
  2. Step 2: Convert to fraction form
    8,075.69/12,113.57 = 2,528.56/x
  3. Step 3: Cross multiply
    8,075.69x = 12,113.57 × 2,528.56
  4. Step 4: Simplify right side
    8,075.69x = 30,629,845.63
  5. Step 5: Solve for x
    x = 30,629,845.63/8,075.69
  6. Step 6: Final answer
    x = 3,792.84

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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.