Home / 5,028.85-7,509.41-4,106.21

Finding the Fourth Proportional to 5,028.85, 7,509.41 and 4,106.21

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Solution

The fourth proportional to 5,028.85, 7,509.41 and 4,106.21 is: 6,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.85 : 7,509.41 = 4,106.21 : x
  2. Step 2: Convert to fraction form
    5,028.85/7,509.41 = 4,106.21/x
  3. Step 3: Cross multiply
    5,028.85x = 7,509.41 × 4,106.21
  4. Step 4: Simplify right side
    5,028.85x = 30,835,214.44
  5. Step 5: Solve for x
    x = 30,835,214.44/5,028.85
  6. Step 6: Final answer
    x = 6,131.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.