Home / 5,075.04-7,629.71-4,099.90

Finding the Fourth Proportional to 5,075.04, 7,629.71 and 4,099.90

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Solution

The fourth proportional to 5,075.04, 7,629.71 and 4,099.90 is: 6,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.04 : 7,629.71 = 4,099.90 : x
  2. Step 2: Convert to fraction form
    5,075.04/7,629.71 = 4,099.90/x
  3. Step 3: Cross multiply
    5,075.04x = 7,629.71 × 4,099.90
  4. Step 4: Simplify right side
    5,075.04x = 31,281,048.03
  5. Step 5: Solve for x
    x = 31,281,048.03/5,075.04
  6. Step 6: Final answer
    x = 6,163.70

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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.