Home / 4,048.02-6,072.84-1,275.12

Finding the Fourth Proportional to 4,048.02, 6,072.84 and 1,275.12

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Solution

The fourth proportional to 4,048.02, 6,072.84 and 1,275.12 is: 1,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.02 : 6,072.84 = 1,275.12 : x
  2. Step 2: Convert to fraction form
    4,048.02/6,072.84 = 1,275.12/x
  3. Step 3: Cross multiply
    4,048.02x = 6,072.84 × 1,275.12
  4. Step 4: Simplify right side
    4,048.02x = 7,743,599.74
  5. Step 5: Solve for x
    x = 7,743,599.74/4,048.02
  6. Step 6: Final answer
    x = 1,912.94

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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.