Home / 5,211.48-7,192.34-3,536.40

Finding the Fourth Proportional to 5,211.48, 7,192.34 and 3,536.40

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Solution

The fourth proportional to 5,211.48, 7,192.34 and 3,536.40 is: 4,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.48 : 7,192.34 = 3,536.40 : x
  2. Step 2: Convert to fraction form
    5,211.48/7,192.34 = 3,536.40/x
  3. Step 3: Cross multiply
    5,211.48x = 7,192.34 × 3,536.40
  4. Step 4: Simplify right side
    5,211.48x = 25,434,991.18
  5. Step 5: Solve for x
    x = 25,434,991.18/5,211.48
  6. Step 6: Final answer
    x = 4,880.57

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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.