Home / 7,367.37-11,056.83-2,987.90

Finding the Fourth Proportional to 7,367.37, 11,056.83 and 2,987.90

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Solution

The fourth proportional to 7,367.37, 11,056.83 and 2,987.90 is: 4,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.37 : 11,056.83 = 2,987.90 : x
  2. Step 2: Convert to fraction form
    7,367.37/11,056.83 = 2,987.90/x
  3. Step 3: Cross multiply
    7,367.37x = 11,056.83 × 2,987.90
  4. Step 4: Simplify right side
    7,367.37x = 33,036,702.36
  5. Step 5: Solve for x
    x = 33,036,702.36/7,367.37
  6. Step 6: Final answer
    x = 4,484.19

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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.