Home / 4,812.98-7,217.31-2,214.50

Finding the Fourth Proportional to 4,812.98, 7,217.31 and 2,214.50

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Solution

The fourth proportional to 4,812.98, 7,217.31 and 2,214.50 is: 3,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.98 : 7,217.31 = 2,214.50 : x
  2. Step 2: Convert to fraction form
    4,812.98/7,217.31 = 2,214.50/x
  3. Step 3: Cross multiply
    4,812.98x = 7,217.31 × 2,214.50
  4. Step 4: Simplify right side
    4,812.98x = 15,982,733.00
  5. Step 5: Solve for x
    x = 15,982,733.00/4,812.98
  6. Step 6: Final answer
    x = 3,320.76

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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.