Home / 4,220.35-6,331.61-1,622.59

Finding the Fourth Proportional to 4,220.35, 6,331.61 and 1,622.59

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Solution

The fourth proportional to 4,220.35, 6,331.61 and 1,622.59 is: 2,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.35 : 6,331.61 = 1,622.59 : x
  2. Step 2: Convert to fraction form
    4,220.35/6,331.61 = 1,622.59/x
  3. Step 3: Cross multiply
    4,220.35x = 6,331.61 × 1,622.59
  4. Step 4: Simplify right side
    4,220.35x = 10,273,607.07
  5. Step 5: Solve for x
    x = 10,273,607.07/4,220.35
  6. Step 6: Final answer
    x = 2,434.30

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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.