Home / 8,015.91-12,028.40-4,318.06

Finding the Fourth Proportional to 8,015.91, 12,028.40 and 4,318.06

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Solution

The fourth proportional to 8,015.91, 12,028.40 and 4,318.06 is: 6,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.91 : 12,028.40 = 4,318.06 : x
  2. Step 2: Convert to fraction form
    8,015.91/12,028.40 = 4,318.06/x
  3. Step 3: Cross multiply
    8,015.91x = 12,028.40 × 4,318.06
  4. Step 4: Simplify right side
    8,015.91x = 51,939,352.90
  5. Step 5: Solve for x
    x = 51,939,352.90/8,015.91
  6. Step 6: Final answer
    x = 6,479.53

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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.