Home / 7,347.61-11,011.80-3,398.37

Finding the Fourth Proportional to 7,347.61, 11,011.80 and 3,398.37

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Solution

The fourth proportional to 7,347.61, 11,011.80 and 3,398.37 is: 5,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.61 : 11,011.80 = 3,398.37 : x
  2. Step 2: Convert to fraction form
    7,347.61/11,011.80 = 3,398.37/x
  3. Step 3: Cross multiply
    7,347.61x = 11,011.80 × 3,398.37
  4. Step 4: Simplify right side
    7,347.61x = 37,422,185.04
  5. Step 5: Solve for x
    x = 37,422,185.04/7,347.61
  6. Step 6: Final answer
    x = 5,093.11

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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.