Home / 4,665.38-6,437.40-3,779.66

Finding the Fourth Proportional to 4,665.38, 6,437.40 and 3,779.66

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Solution

The fourth proportional to 4,665.38, 6,437.40 and 3,779.66 is: 5,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.38 : 6,437.40 = 3,779.66 : x
  2. Step 2: Convert to fraction form
    4,665.38/6,437.40 = 3,779.66/x
  3. Step 3: Cross multiply
    4,665.38x = 6,437.40 × 3,779.66
  4. Step 4: Simplify right side
    4,665.38x = 24,331,183.28
  5. Step 5: Solve for x
    x = 24,331,183.28/4,665.38
  6. Step 6: Final answer
    x = 5,215.26

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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.