Home / 8,717.41-13,076.01-2,143.65

Finding the Fourth Proportional to 8,717.41, 13,076.01 and 2,143.65

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Solution

The fourth proportional to 8,717.41, 13,076.01 and 2,143.65 is: 3,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.41 : 13,076.01 = 2,143.65 : x
  2. Step 2: Convert to fraction form
    8,717.41/13,076.01 = 2,143.65/x
  3. Step 3: Cross multiply
    8,717.41x = 13,076.01 × 2,143.65
  4. Step 4: Simplify right side
    8,717.41x = 28,030,388.84
  5. Step 5: Solve for x
    x = 28,030,388.84/8,717.41
  6. Step 6: Final answer
    x = 3,215.45

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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.