Home / 4,155.82-6,238.29-2,075.24

Finding the Fourth Proportional to 4,155.82, 6,238.29 and 2,075.24

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Solution

The fourth proportional to 4,155.82, 6,238.29 and 2,075.24 is: 3,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.82 : 6,238.29 = 2,075.24 : x
  2. Step 2: Convert to fraction form
    4,155.82/6,238.29 = 2,075.24/x
  3. Step 3: Cross multiply
    4,155.82x = 6,238.29 × 2,075.24
  4. Step 4: Simplify right side
    4,155.82x = 12,945,948.94
  5. Step 5: Solve for x
    x = 12,945,948.94/4,155.82
  6. Step 6: Final answer
    x = 3,115.14

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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.