Home / 4,679.92-7,019.89-1,217.17

Finding the Fourth Proportional to 4,679.92, 7,019.89 and 1,217.17

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Solution

The fourth proportional to 4,679.92, 7,019.89 and 1,217.17 is: 1,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.92 : 7,019.89 = 1,217.17 : x
  2. Step 2: Convert to fraction form
    4,679.92/7,019.89 = 1,217.17/x
  3. Step 3: Cross multiply
    4,679.92x = 7,019.89 × 1,217.17
  4. Step 4: Simplify right side
    4,679.92x = 8,544,378.92
  5. Step 5: Solve for x
    x = 8,544,378.92/4,679.92
  6. Step 6: Final answer
    x = 1,825.75

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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.