Home / 7,347.76-11,018.21-2,667.17

Finding the Fourth Proportional to 7,347.76, 11,018.21 and 2,667.17

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Solution

The fourth proportional to 7,347.76, 11,018.21 and 2,667.17 is: 3,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.76 : 11,018.21 = 2,667.17 : x
  2. Step 2: Convert to fraction form
    7,347.76/11,018.21 = 2,667.17/x
  3. Step 3: Cross multiply
    7,347.76x = 11,018.21 × 2,667.17
  4. Step 4: Simplify right side
    7,347.76x = 29,387,453.38
  5. Step 5: Solve for x
    x = 29,387,453.38/7,347.76
  6. Step 6: Final answer
    x = 3,999.51

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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.