Home / 4,800.25-7,200.65-1,337.77

Finding the Fourth Proportional to 4,800.25, 7,200.65 and 1,337.77

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Solution

The fourth proportional to 4,800.25, 7,200.65 and 1,337.77 is: 2,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.25 : 7,200.65 = 1,337.77 : x
  2. Step 2: Convert to fraction form
    4,800.25/7,200.65 = 1,337.77/x
  3. Step 3: Cross multiply
    4,800.25x = 7,200.65 × 1,337.77
  4. Step 4: Simplify right side
    4,800.25x = 9,632,813.55
  5. Step 5: Solve for x
    x = 9,632,813.55/4,800.25
  6. Step 6: Final answer
    x = 2,006.73

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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.