Home / 4,075.82-5,619.06-2,799.66

Finding the Fourth Proportional to 4,075.82, 5,619.06 and 2,799.66

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Solution

The fourth proportional to 4,075.82, 5,619.06 and 2,799.66 is: 3,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.82 : 5,619.06 = 2,799.66 : x
  2. Step 2: Convert to fraction form
    4,075.82/5,619.06 = 2,799.66/x
  3. Step 3: Cross multiply
    4,075.82x = 5,619.06 × 2,799.66
  4. Step 4: Simplify right side
    4,075.82x = 15,731,457.52
  5. Step 5: Solve for x
    x = 15,731,457.52/4,075.82
  6. Step 6: Final answer
    x = 3,859.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.