Home / 4,075.28-6,112-1,152.80

Finding the Fourth Proportional to 4,075.28, 6,112 and 1,152.80

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Solution

The fourth proportional to 4,075.28, 6,112 and 1,152.80 is: 1,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.28 : 6,112 = 1,152.80 : x
  2. Step 2: Convert to fraction form
    4,075.28/6,112 = 1,152.80/x
  3. Step 3: Cross multiply
    4,075.28x = 6,112 × 1,152.80
  4. Step 4: Simplify right side
    4,075.28x = 7,045,913.60
  5. Step 5: Solve for x
    x = 7,045,913.60/4,075.28
  6. Step 6: Final answer
    x = 1,728.94

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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.