Home / 6,440.60-8,883.90-4,423.04

Finding the Fourth Proportional to 6,440.60, 8,883.90 and 4,423.04

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Solution

The fourth proportional to 6,440.60, 8,883.90 and 4,423.04 is: 6,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.60 : 8,883.90 = 4,423.04 : x
  2. Step 2: Convert to fraction form
    6,440.60/8,883.90 = 4,423.04/x
  3. Step 3: Cross multiply
    6,440.60x = 8,883.90 × 4,423.04
  4. Step 4: Simplify right side
    6,440.60x = 39,293,845.06
  5. Step 5: Solve for x
    x = 39,293,845.06/6,440.60
  6. Step 6: Final answer
    x = 6,100.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.