Home / 8,709.02-13,063.80-2,135.18

Finding the Fourth Proportional to 8,709.02, 13,063.80 and 2,135.18

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Solution

The fourth proportional to 8,709.02, 13,063.80 and 2,135.18 is: 3,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.02 : 13,063.80 = 2,135.18 : x
  2. Step 2: Convert to fraction form
    8,709.02/13,063.80 = 2,135.18/x
  3. Step 3: Cross multiply
    8,709.02x = 13,063.80 × 2,135.18
  4. Step 4: Simplify right side
    8,709.02x = 27,893,564.48
  5. Step 5: Solve for x
    x = 27,893,564.48/8,709.02
  6. Step 6: Final answer
    x = 3,202.84

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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.