Home / 4,228.06-6,343.12-2,981.09

Finding the Fourth Proportional to 4,228.06, 6,343.12 and 2,981.09

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Solution

The fourth proportional to 4,228.06, 6,343.12 and 2,981.09 is: 4,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.06 : 6,343.12 = 2,981.09 : x
  2. Step 2: Convert to fraction form
    4,228.06/6,343.12 = 2,981.09/x
  3. Step 3: Cross multiply
    4,228.06x = 6,343.12 × 2,981.09
  4. Step 4: Simplify right side
    4,228.06x = 18,909,395.50
  5. Step 5: Solve for x
    x = 18,909,395.50/4,228.06
  6. Step 6: Final answer
    x = 4,472.36

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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.