Home / 4,673.30-6,439.41-3,178.62

Finding the Fourth Proportional to 4,673.30, 6,439.41 and 3,178.62

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Solution

The fourth proportional to 4,673.30, 6,439.41 and 3,178.62 is: 4,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.30 : 6,439.41 = 3,178.62 : x
  2. Step 2: Convert to fraction form
    4,673.30/6,439.41 = 3,178.62/x
  3. Step 3: Cross multiply
    4,673.30x = 6,439.41 × 3,178.62
  4. Step 4: Simplify right side
    4,673.30x = 20,468,421.52
  5. Step 5: Solve for x
    x = 20,468,421.52/4,673.30
  6. Step 6: Final answer
    x = 4,379.86

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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.