Home / 4,220.41-6,330.88-1,623.35

Finding the Fourth Proportional to 4,220.41, 6,330.88 and 1,623.35

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Solution

The fourth proportional to 4,220.41, 6,330.88 and 1,623.35 is: 2,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.41 : 6,330.88 = 1,623.35 : x
  2. Step 2: Convert to fraction form
    4,220.41/6,330.88 = 1,623.35/x
  3. Step 3: Cross multiply
    4,220.41x = 6,330.88 × 1,623.35
  4. Step 4: Simplify right side
    4,220.41x = 10,277,204.42
  5. Step 5: Solve for x
    x = 10,277,204.42/4,220.41
  6. Step 6: Final answer
    x = 2,435.12

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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.