Home / 4,300.20-6,450.60-1,487.86

Finding the Fourth Proportional to 4,300.20, 6,450.60 and 1,487.86

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Solution

The fourth proportional to 4,300.20, 6,450.60 and 1,487.86 is: 2,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.20 : 6,450.60 = 1,487.86 : x
  2. Step 2: Convert to fraction form
    4,300.20/6,450.60 = 1,487.86/x
  3. Step 3: Cross multiply
    4,300.20x = 6,450.60 × 1,487.86
  4. Step 4: Simplify right side
    4,300.20x = 9,597,582.28
  5. Step 5: Solve for x
    x = 9,597,582.28/4,300.20
  6. Step 6: Final answer
    x = 2,231.89

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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.