Home / 8,717.84-13,076.64-2,144.08

Finding the Fourth Proportional to 8,717.84, 13,076.64 and 2,144.08

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Solution

The fourth proportional to 8,717.84, 13,076.64 and 2,144.08 is: 3,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.84 : 13,076.64 = 2,144.08 : x
  2. Step 2: Convert to fraction form
    8,717.84/13,076.64 = 2,144.08/x
  3. Step 3: Cross multiply
    8,717.84x = 13,076.64 × 2,144.08
  4. Step 4: Simplify right side
    8,717.84x = 28,037,362.29
  5. Step 5: Solve for x
    x = 28,037,362.29/8,717.84
  6. Step 6: Final answer
    x = 3,216.09

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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.