Home / 4,439.94-6,131.64-3,115.86

Finding the Fourth Proportional to 4,439.94, 6,131.64 and 3,115.86

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Solution

The fourth proportional to 4,439.94, 6,131.64 and 3,115.86 is: 4,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.94 : 6,131.64 = 3,115.86 : x
  2. Step 2: Convert to fraction form
    4,439.94/6,131.64 = 3,115.86/x
  3. Step 3: Cross multiply
    4,439.94x = 6,131.64 × 3,115.86
  4. Step 4: Simplify right side
    4,439.94x = 19,105,331.81
  5. Step 5: Solve for x
    x = 19,105,331.81/4,439.94
  6. Step 6: Final answer
    x = 4,303.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.