Home / 4,673.05-6,439.06-3,178.37

Finding the Fourth Proportional to 4,673.05, 6,439.06 and 3,178.37

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Solution

The fourth proportional to 4,673.05, 6,439.06 and 3,178.37 is: 4,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.05 : 6,439.06 = 3,178.37 : x
  2. Step 2: Convert to fraction form
    4,673.05/6,439.06 = 3,178.37/x
  3. Step 3: Cross multiply
    4,673.05x = 6,439.06 × 3,178.37
  4. Step 4: Simplify right side
    4,673.05x = 20,465,715.13
  5. Step 5: Solve for x
    x = 20,465,715.13/4,673.05
  6. Step 6: Final answer
    x = 4,379.52

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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.