Home / 4,152.44-6,228.56-1,230.78

Finding the Fourth Proportional to 4,152.44, 6,228.56 and 1,230.78

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Solution

The fourth proportional to 4,152.44, 6,228.56 and 1,230.78 is: 1,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.44 : 6,228.56 = 1,230.78 : x
  2. Step 2: Convert to fraction form
    4,152.44/6,228.56 = 1,230.78/x
  3. Step 3: Cross multiply
    4,152.44x = 6,228.56 × 1,230.78
  4. Step 4: Simplify right side
    4,152.44x = 7,665,987.08
  5. Step 5: Solve for x
    x = 7,665,987.08/4,152.44
  6. Step 6: Final answer
    x = 1,846.14

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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.