Home / 5,495.18-7,583.08-3,105.20

Finding the Fourth Proportional to 5,495.18, 7,583.08 and 3,105.20

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Solution

The fourth proportional to 5,495.18, 7,583.08 and 3,105.20 is: 4,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.18 : 7,583.08 = 3,105.20 : x
  2. Step 2: Convert to fraction form
    5,495.18/7,583.08 = 3,105.20/x
  3. Step 3: Cross multiply
    5,495.18x = 7,583.08 × 3,105.20
  4. Step 4: Simplify right side
    5,495.18x = 23,546,969.41
  5. Step 5: Solve for x
    x = 23,546,969.41/5,495.18
  6. Step 6: Final answer
    x = 4,285.02

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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.