Home / 8,011.89-12,019.74-3,628.17

Finding the Fourth Proportional to 8,011.89, 12,019.74 and 3,628.17

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Solution

The fourth proportional to 8,011.89, 12,019.74 and 3,628.17 is: 5,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.89 : 12,019.74 = 3,628.17 : x
  2. Step 2: Convert to fraction form
    8,011.89/12,019.74 = 3,628.17/x
  3. Step 3: Cross multiply
    8,011.89x = 12,019.74 × 3,628.17
  4. Step 4: Simplify right side
    8,011.89x = 43,609,660.08
  5. Step 5: Solve for x
    x = 43,609,660.08/8,011.89
  6. Step 6: Final answer
    x = 5,443.12

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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.