Home / 4,301.40-6,447.30-2,220.60

Finding the Fourth Proportional to 4,301.40, 6,447.30 and 2,220.60

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Solution

The fourth proportional to 4,301.40, 6,447.30 and 2,220.60 is: 3,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.40 : 6,447.30 = 2,220.60 : x
  2. Step 2: Convert to fraction form
    4,301.40/6,447.30 = 2,220.60/x
  3. Step 3: Cross multiply
    4,301.40x = 6,447.30 × 2,220.60
  4. Step 4: Simplify right side
    4,301.40x = 14,316,874.38
  5. Step 5: Solve for x
    x = 14,316,874.38/4,301.40
  6. Step 6: Final answer
    x = 3,328.42

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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.