Home / 5,120.42-7,673.41-4,075.77

Finding the Fourth Proportional to 5,120.42, 7,673.41 and 4,075.77

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Solution

The fourth proportional to 5,120.42, 7,673.41 and 4,075.77 is: 6,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.42 : 7,673.41 = 4,075.77 : x
  2. Step 2: Convert to fraction form
    5,120.42/7,673.41 = 4,075.77/x
  3. Step 3: Cross multiply
    5,120.42x = 7,673.41 × 4,075.77
  4. Step 4: Simplify right side
    5,120.42x = 31,275,033.90
  5. Step 5: Solve for x
    x = 31,275,033.90/5,120.42
  6. Step 6: Final answer
    x = 6,107.91

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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.