Home / 5,308.20-7,317.72-3,539.16

Finding the Fourth Proportional to 5,308.20, 7,317.72 and 3,539.16

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Solution

The fourth proportional to 5,308.20, 7,317.72 and 3,539.16 is: 4,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.20 : 7,317.72 = 3,539.16 : x
  2. Step 2: Convert to fraction form
    5,308.20/7,317.72 = 3,539.16/x
  3. Step 3: Cross multiply
    5,308.20x = 7,317.72 × 3,539.16
  4. Step 4: Simplify right side
    5,308.20x = 25,898,581.92
  5. Step 5: Solve for x
    x = 25,898,581.92/5,308.20
  6. Step 6: Final answer
    x = 4,878.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.