Home / 4,811.30-7,213.98-1,886.26

Finding the Fourth Proportional to 4,811.30, 7,213.98 and 1,886.26

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Solution

The fourth proportional to 4,811.30, 7,213.98 and 1,886.26 is: 2,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.30 : 7,213.98 = 1,886.26 : x
  2. Step 2: Convert to fraction form
    4,811.30/7,213.98 = 1,886.26/x
  3. Step 3: Cross multiply
    4,811.30x = 7,213.98 × 1,886.26
  4. Step 4: Simplify right side
    4,811.30x = 13,607,405.84
  5. Step 5: Solve for x
    x = 13,607,405.84/4,811.30
  6. Step 6: Final answer
    x = 2,828.22

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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.