Home / 8,015.67-12,028.04-4,317.81

Finding the Fourth Proportional to 8,015.67, 12,028.04 and 4,317.81

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Solution

The fourth proportional to 8,015.67, 12,028.04 and 4,317.81 is: 6,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.67 : 12,028.04 = 4,317.81 : x
  2. Step 2: Convert to fraction form
    8,015.67/12,028.04 = 4,317.81/x
  3. Step 3: Cross multiply
    8,015.67x = 12,028.04 × 4,317.81
  4. Step 4: Simplify right side
    8,015.67x = 51,934,769.80
  5. Step 5: Solve for x
    x = 51,934,769.80/8,015.67
  6. Step 6: Final answer
    x = 6,479.16

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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.