Home / 4,415.85-6,622.07-1,949.31

Finding the Fourth Proportional to 4,415.85, 6,622.07 and 1,949.31

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Solution

The fourth proportional to 4,415.85, 6,622.07 and 1,949.31 is: 2,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.85 : 6,622.07 = 1,949.31 : x
  2. Step 2: Convert to fraction form
    4,415.85/6,622.07 = 1,949.31/x
  3. Step 3: Cross multiply
    4,415.85x = 6,622.07 × 1,949.31
  4. Step 4: Simplify right side
    4,415.85x = 12,908,457.53
  5. Step 5: Solve for x
    x = 12,908,457.53/4,415.85
  6. Step 6: Final answer
    x = 2,923.21

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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.