Home / 4,075.88-6,109.67-1,607.31

Finding the Fourth Proportional to 4,075.88, 6,109.67 and 1,607.31

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Solution

The fourth proportional to 4,075.88, 6,109.67 and 1,607.31 is: 2,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.88 : 6,109.67 = 1,607.31 : x
  2. Step 2: Convert to fraction form
    4,075.88/6,109.67 = 1,607.31/x
  3. Step 3: Cross multiply
    4,075.88x = 6,109.67 × 1,607.31
  4. Step 4: Simplify right side
    4,075.88x = 9,820,107.16
  5. Step 5: Solve for x
    x = 9,820,107.16/4,075.88
  6. Step 6: Final answer
    x = 2,409.32

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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.