Home / 7,658.13-11,489.93-3,765.27

Finding the Fourth Proportional to 7,658.13, 11,489.93 and 3,765.27

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Solution

The fourth proportional to 7,658.13, 11,489.93 and 3,765.27 is: 5,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.13 : 11,489.93 = 3,765.27 : x
  2. Step 2: Convert to fraction form
    7,658.13/11,489.93 = 3,765.27/x
  3. Step 3: Cross multiply
    7,658.13x = 11,489.93 × 3,765.27
  4. Step 4: Simplify right side
    7,658.13x = 43,262,688.73
  5. Step 5: Solve for x
    x = 43,262,688.73/7,658.13
  6. Step 6: Final answer
    x = 5,649.25

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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.