Home / 7,345.22-11,018.61-2,345.84

Finding the Fourth Proportional to 7,345.22, 11,018.61 and 2,345.84

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Solution

The fourth proportional to 7,345.22, 11,018.61 and 2,345.84 is: 3,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.22 : 11,018.61 = 2,345.84 : x
  2. Step 2: Convert to fraction form
    7,345.22/11,018.61 = 2,345.84/x
  3. Step 3: Cross multiply
    7,345.22x = 11,018.61 × 2,345.84
  4. Step 4: Simplify right side
    7,345.22x = 25,847,914.45
  5. Step 5: Solve for x
    x = 25,847,914.45/7,345.22
  6. Step 6: Final answer
    x = 3,519.01

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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.