Home / 5,804.19-8,008.40-3,919.25

Finding the Fourth Proportional to 5,804.19, 8,008.40 and 3,919.25

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Solution

The fourth proportional to 5,804.19, 8,008.40 and 3,919.25 is: 5,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.19 : 8,008.40 = 3,919.25 : x
  2. Step 2: Convert to fraction form
    5,804.19/8,008.40 = 3,919.25/x
  3. Step 3: Cross multiply
    5,804.19x = 8,008.40 × 3,919.25
  4. Step 4: Simplify right side
    5,804.19x = 31,386,951.52
  5. Step 5: Solve for x
    x = 31,386,951.52/5,804.19
  6. Step 6: Final answer
    x = 5,407.64

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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.