Home / 4,814.38-6,641.19-3,919.08

Finding the Fourth Proportional to 4,814.38, 6,641.19 and 3,919.08

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Solution

The fourth proportional to 4,814.38, 6,641.19 and 3,919.08 is: 5,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.38 : 6,641.19 = 3,919.08 : x
  2. Step 2: Convert to fraction form
    4,814.38/6,641.19 = 3,919.08/x
  3. Step 3: Cross multiply
    4,814.38x = 6,641.19 × 3,919.08
  4. Step 4: Simplify right side
    4,814.38x = 26,027,379.81
  5. Step 5: Solve for x
    x = 26,027,379.81/4,814.38
  6. Step 6: Final answer
    x = 5,406.17

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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.