Home / 7,628.52-11,431.02-3,735.60

Finding the Fourth Proportional to 7,628.52, 11,431.02 and 3,735.60

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Solution

The fourth proportional to 7,628.52, 11,431.02 and 3,735.60 is: 5,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.52 : 11,431.02 = 3,735.60 : x
  2. Step 2: Convert to fraction form
    7,628.52/11,431.02 = 3,735.60/x
  3. Step 3: Cross multiply
    7,628.52x = 11,431.02 × 3,735.60
  4. Step 4: Simplify right side
    7,628.52x = 42,701,718.31
  5. Step 5: Solve for x
    x = 42,701,718.31/7,628.52
  6. Step 6: Final answer
    x = 5,597.64

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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.