Home / 4,339.38-6,509.41-1,219.64

Finding the Fourth Proportional to 4,339.38, 6,509.41 and 1,219.64

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Solution

The fourth proportional to 4,339.38, 6,509.41 and 1,219.64 is: 1,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.38 : 6,509.41 = 1,219.64 : x
  2. Step 2: Convert to fraction form
    4,339.38/6,509.41 = 1,219.64/x
  3. Step 3: Cross multiply
    4,339.38x = 6,509.41 × 1,219.64
  4. Step 4: Simplify right side
    4,339.38x = 7,939,137.83
  5. Step 5: Solve for x
    x = 7,939,137.83/4,339.38
  6. Step 6: Final answer
    x = 1,829.56

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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.