Home / 4,780.20-7,177.50-4,533.96

Finding the Fourth Proportional to 4,780.20, 7,177.50 and 4,533.96

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Solution

The fourth proportional to 4,780.20, 7,177.50 and 4,533.96 is: 6,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.20 : 7,177.50 = 4,533.96 : x
  2. Step 2: Convert to fraction form
    4,780.20/7,177.50 = 4,533.96/x
  3. Step 3: Cross multiply
    4,780.20x = 7,177.50 × 4,533.96
  4. Step 4: Simplify right side
    4,780.20x = 32,542,497.90
  5. Step 5: Solve for x
    x = 32,542,497.90/4,780.20
  6. Step 6: Final answer
    x = 6,807.77

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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.