Home / 5,075.31-7,609.80-2,850.63

Finding the Fourth Proportional to 5,075.31, 7,609.80 and 2,850.63

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Solution

The fourth proportional to 5,075.31, 7,609.80 and 2,850.63 is: 4,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.31 : 7,609.80 = 2,850.63 : x
  2. Step 2: Convert to fraction form
    5,075.31/7,609.80 = 2,850.63/x
  3. Step 3: Cross multiply
    5,075.31x = 7,609.80 × 2,850.63
  4. Step 4: Simplify right side
    5,075.31x = 21,692,724.17
  5. Step 5: Solve for x
    x = 21,692,724.17/5,075.31
  6. Step 6: Final answer
    x = 4,274.17

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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.