Home / 7,663.40-11,497.58-3,765.07

Finding the Fourth Proportional to 7,663.40, 11,497.58 and 3,765.07

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Solution

The fourth proportional to 7,663.40, 11,497.58 and 3,765.07 is: 5,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.40 : 11,497.58 = 3,765.07 : x
  2. Step 2: Convert to fraction form
    7,663.40/11,497.58 = 3,765.07/x
  3. Step 3: Cross multiply
    7,663.40x = 11,497.58 × 3,765.07
  4. Step 4: Simplify right side
    7,663.40x = 43,289,193.53
  5. Step 5: Solve for x
    x = 43,289,193.53/7,663.40
  6. Step 6: Final answer
    x = 5,648.82

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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.