Home / 8,486.06-12,731.76-3,810.08

Finding the Fourth Proportional to 8,486.06, 12,731.76 and 3,810.08

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Solution

The fourth proportional to 8,486.06, 12,731.76 and 3,810.08 is: 5,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.06 : 12,731.76 = 3,810.08 : x
  2. Step 2: Convert to fraction form
    8,486.06/12,731.76 = 3,810.08/x
  3. Step 3: Cross multiply
    8,486.06x = 12,731.76 × 3,810.08
  4. Step 4: Simplify right side
    8,486.06x = 48,509,024.14
  5. Step 5: Solve for x
    x = 48,509,024.14/8,486.06
  6. Step 6: Final answer
    x = 5,716.32

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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.