Home / 7,342.34-11,008.71-4,179.87

Finding the Fourth Proportional to 7,342.34, 11,008.71 and 4,179.87

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Solution

The fourth proportional to 7,342.34, 11,008.71 and 4,179.87 is: 6,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.34 : 11,008.71 = 4,179.87 : x
  2. Step 2: Convert to fraction form
    7,342.34/11,008.71 = 4,179.87/x
  3. Step 3: Cross multiply
    7,342.34x = 11,008.71 × 4,179.87
  4. Step 4: Simplify right side
    7,342.34x = 46,014,976.67
  5. Step 5: Solve for x
    x = 46,014,976.67/7,342.34
  6. Step 6: Final answer
    x = 6,267.08

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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.