Home / 4,075.20-6,112.80-2,325.60

Finding the Fourth Proportional to 4,075.20, 6,112.80 and 2,325.60

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Solution

The fourth proportional to 4,075.20, 6,112.80 and 2,325.60 is: 3,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.20 : 6,112.80 = 2,325.60 : x
  2. Step 2: Convert to fraction form
    4,075.20/6,112.80 = 2,325.60/x
  3. Step 3: Cross multiply
    4,075.20x = 6,112.80 × 2,325.60
  4. Step 4: Simplify right side
    4,075.20x = 14,215,927.68
  5. Step 5: Solve for x
    x = 14,215,927.68/4,075.20
  6. Step 6: Final answer
    x = 3,488.40

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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.