Home / 8,828.48-13,231.88-6,181.36

Finding the Fourth Proportional to 8,828.48, 13,231.88 and 6,181.36

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Solution

The fourth proportional to 8,828.48, 13,231.88 and 6,181.36 is: 9,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.48 : 13,231.88 = 6,181.36 : x
  2. Step 2: Convert to fraction form
    8,828.48/13,231.88 = 6,181.36/x
  3. Step 3: Cross multiply
    8,828.48x = 13,231.88 × 6,181.36
  4. Step 4: Simplify right side
    8,828.48x = 81,791,013.76
  5. Step 5: Solve for x
    x = 81,791,013.76/8,828.48
  6. Step 6: Final answer
    x = 9,264.45

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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.