Home / 7,748.08-11,615.64-3,591.07

Finding the Fourth Proportional to 7,748.08, 11,615.64 and 3,591.07

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Solution

The fourth proportional to 7,748.08, 11,615.64 and 3,591.07 is: 5,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.08 : 11,615.64 = 3,591.07 : x
  2. Step 2: Convert to fraction form
    7,748.08/11,615.64 = 3,591.07/x
  3. Step 3: Cross multiply
    7,748.08x = 11,615.64 × 3,591.07
  4. Step 4: Simplify right side
    7,748.08x = 41,712,576.33
  5. Step 5: Solve for x
    x = 41,712,576.33/7,748.08
  6. Step 6: Final answer
    x = 5,383.60

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1.5x scale

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.