Home / 8,679.28-13,018.84-2,441.03

Finding the Fourth Proportional to 8,679.28, 13,018.84 and 2,441.03

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Solution

The fourth proportional to 8,679.28, 13,018.84 and 2,441.03 is: 3,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.28 : 13,018.84 = 2,441.03 : x
  2. Step 2: Convert to fraction form
    8,679.28/13,018.84 = 2,441.03/x
  3. Step 3: Cross multiply
    8,679.28x = 13,018.84 × 2,441.03
  4. Step 4: Simplify right side
    8,679.28x = 31,779,366.80
  5. Step 5: Solve for x
    x = 31,779,366.80/8,679.28
  6. Step 6: Final answer
    x = 3,661.52

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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.