Home / 8,464.76-12,705.33-4,085.30

Finding the Fourth Proportional to 8,464.76, 12,705.33 and 4,085.30

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Solution

The fourth proportional to 8,464.76, 12,705.33 and 4,085.30 is: 6,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.76 : 12,705.33 = 4,085.30 : x
  2. Step 2: Convert to fraction form
    8,464.76/12,705.33 = 4,085.30/x
  3. Step 3: Cross multiply
    8,464.76x = 12,705.33 × 4,085.30
  4. Step 4: Simplify right side
    8,464.76x = 51,905,084.65
  5. Step 5: Solve for x
    x = 51,905,084.65/8,464.76
  6. Step 6: Final answer
    x = 6,131.90

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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.