Home / 5,317.90-7,339.47-3,194.38

Finding the Fourth Proportional to 5,317.90, 7,339.47 and 3,194.38

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Solution

The fourth proportional to 5,317.90, 7,339.47 and 3,194.38 is: 4,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.90 : 7,339.47 = 3,194.38 : x
  2. Step 2: Convert to fraction form
    5,317.90/7,339.47 = 3,194.38/x
  3. Step 3: Cross multiply
    5,317.90x = 7,339.47 × 3,194.38
  4. Step 4: Simplify right side
    5,317.90x = 23,445,056.18
  5. Step 5: Solve for x
    x = 23,445,056.18/5,317.90
  6. Step 6: Final answer
    x = 4,408.71

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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.