Home / 4,487.20-6,730.24-1,200.48

Finding the Fourth Proportional to 4,487.20, 6,730.24 and 1,200.48

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Solution

The fourth proportional to 4,487.20, 6,730.24 and 1,200.48 is: 1,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.20 : 6,730.24 = 1,200.48 : x
  2. Step 2: Convert to fraction form
    4,487.20/6,730.24 = 1,200.48/x
  3. Step 3: Cross multiply
    4,487.20x = 6,730.24 × 1,200.48
  4. Step 4: Simplify right side
    4,487.20x = 8,079,518.52
  5. Step 5: Solve for x
    x = 8,079,518.52/4,487.20
  6. Step 6: Final answer
    x = 1,800.57

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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.