Home / 4,878.10-7,321.23-4,418.83

Finding the Fourth Proportional to 4,878.10, 7,321.23 and 4,418.83

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Solution

The fourth proportional to 4,878.10, 7,321.23 and 4,418.83 is: 6,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.10 : 7,321.23 = 4,418.83 : x
  2. Step 2: Convert to fraction form
    4,878.10/7,321.23 = 4,418.83/x
  3. Step 3: Cross multiply
    4,878.10x = 7,321.23 × 4,418.83
  4. Step 4: Simplify right side
    4,878.10x = 32,351,270.76
  5. Step 5: Solve for x
    x = 32,351,270.76/4,878.10
  6. Step 6: Final answer
    x = 6,631.94

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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.