Home / 7,345.40-11,018.89-2,346.03

Finding the Fourth Proportional to 7,345.40, 11,018.89 and 2,346.03

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Solution

The fourth proportional to 7,345.40, 11,018.89 and 2,346.03 is: 3,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.40 : 11,018.89 = 2,346.03 : x
  2. Step 2: Convert to fraction form
    7,345.40/11,018.89 = 2,346.03/x
  3. Step 3: Cross multiply
    7,345.40x = 11,018.89 × 2,346.03
  4. Step 4: Simplify right side
    7,345.40x = 25,850,642.84
  5. Step 5: Solve for x
    x = 25,850,642.84/7,345.40
  6. Step 6: Final answer
    x = 3,519.30

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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.