Home / 8,701.02-13,051.80-2,857.14

Finding the Fourth Proportional to 8,701.02, 13,051.80 and 2,857.14

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Solution

The fourth proportional to 8,701.02, 13,051.80 and 2,857.14 is: 4,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.02 : 13,051.80 = 2,857.14 : x
  2. Step 2: Convert to fraction form
    8,701.02/13,051.80 = 2,857.14/x
  3. Step 3: Cross multiply
    8,701.02x = 13,051.80 × 2,857.14
  4. Step 4: Simplify right side
    8,701.02x = 37,290,819.85
  5. Step 5: Solve for x
    x = 37,290,819.85/8,701.02
  6. Step 6: Final answer
    x = 4,285.80

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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.