Home / 8,237.35-12,356.13-2,690.65

Finding the Fourth Proportional to 8,237.35, 12,356.13 and 2,690.65

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Solution

The fourth proportional to 8,237.35, 12,356.13 and 2,690.65 is: 4,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.35 : 12,356.13 = 2,690.65 : x
  2. Step 2: Convert to fraction form
    8,237.35/12,356.13 = 2,690.65/x
  3. Step 3: Cross multiply
    8,237.35x = 12,356.13 × 2,690.65
  4. Step 4: Simplify right side
    8,237.35x = 33,246,021.18
  5. Step 5: Solve for x
    x = 33,246,021.18/8,237.35
  6. Step 6: Final answer
    x = 4,036.01

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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.