Home / 5,640.47-8,458.11-2,351.60

Finding the Fourth Proportional to 5,640.47, 8,458.11 and 2,351.60

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Solution

The fourth proportional to 5,640.47, 8,458.11 and 2,351.60 is: 3,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.47 : 8,458.11 = 2,351.60 : x
  2. Step 2: Convert to fraction form
    5,640.47/8,458.11 = 2,351.60/x
  3. Step 3: Cross multiply
    5,640.47x = 8,458.11 × 2,351.60
  4. Step 4: Simplify right side
    5,640.47x = 19,890,091.48
  5. Step 5: Solve for x
    x = 19,890,091.48/5,640.47
  6. Step 6: Final answer
    x = 3,526.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.