Home / 4,779.24-7,171.64-2,005.70

Finding the Fourth Proportional to 4,779.24, 7,171.64 and 2,005.70

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Solution

The fourth proportional to 4,779.24, 7,171.64 and 2,005.70 is: 3,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.24 : 7,171.64 = 2,005.70 : x
  2. Step 2: Convert to fraction form
    4,779.24/7,171.64 = 2,005.70/x
  3. Step 3: Cross multiply
    4,779.24x = 7,171.64 × 2,005.70
  4. Step 4: Simplify right side
    4,779.24x = 14,384,119.98
  5. Step 5: Solve for x
    x = 14,384,119.98/4,779.24
  6. Step 6: Final answer
    x = 3,009.71

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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.