Home / 7,861.64-11,792.52-2,018.07

Finding the Fourth Proportional to 7,861.64, 11,792.52 and 2,018.07

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Solution

The fourth proportional to 7,861.64, 11,792.52 and 2,018.07 is: 3,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.64 : 11,792.52 = 2,018.07 : x
  2. Step 2: Convert to fraction form
    7,861.64/11,792.52 = 2,018.07/x
  3. Step 3: Cross multiply
    7,861.64x = 11,792.52 × 2,018.07
  4. Step 4: Simplify right side
    7,861.64x = 23,798,130.84
  5. Step 5: Solve for x
    x = 23,798,130.84/7,861.64
  6. Step 6: Final answer
    x = 3,027.12

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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.