Home / 4,075.28-6,109.92-1,300.36

Finding the Fourth Proportional to 4,075.28, 6,109.92 and 1,300.36

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Solution

The fourth proportional to 4,075.28, 6,109.92 and 1,300.36 is: 1,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.28 : 6,109.92 = 1,300.36 : x
  2. Step 2: Convert to fraction form
    4,075.28/6,109.92 = 1,300.36/x
  3. Step 3: Cross multiply
    4,075.28x = 6,109.92 × 1,300.36
  4. Step 4: Simplify right side
    4,075.28x = 7,945,080.30
  5. Step 5: Solve for x
    x = 7,945,080.30/4,075.28
  6. Step 6: Final answer
    x = 1,949.58

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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.