Home / 4,294.60-6,440.10-1,372.12

Finding the Fourth Proportional to 4,294.60, 6,440.10 and 1,372.12

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Solution

The fourth proportional to 4,294.60, 6,440.10 and 1,372.12 is: 2,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.60 : 6,440.10 = 1,372.12 : x
  2. Step 2: Convert to fraction form
    4,294.60/6,440.10 = 1,372.12/x
  3. Step 3: Cross multiply
    4,294.60x = 6,440.10 × 1,372.12
  4. Step 4: Simplify right side
    4,294.60x = 8,836,590.01
  5. Step 5: Solve for x
    x = 8,836,590.01/4,294.60
  6. Step 6: Final answer
    x = 2,057.60

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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.