Home / 7,883.08-11,817.32-2,685.32

Finding the Fourth Proportional to 7,883.08, 11,817.32 and 2,685.32

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Solution

The fourth proportional to 7,883.08, 11,817.32 and 2,685.32 is: 4,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.08 : 11,817.32 = 2,685.32 : x
  2. Step 2: Convert to fraction form
    7,883.08/11,817.32 = 2,685.32/x
  3. Step 3: Cross multiply
    7,883.08x = 11,817.32 × 2,685.32
  4. Step 4: Simplify right side
    7,883.08x = 31,733,285.74
  5. Step 5: Solve for x
    x = 31,733,285.74/7,883.08
  6. Step 6: Final answer
    x = 4,025.49

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1.5x scale

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.