Home / 4,780.89-7,164.86-2,310.80

Finding the Fourth Proportional to 4,780.89, 7,164.86 and 2,310.80

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Solution

The fourth proportional to 4,780.89, 7,164.86 and 2,310.80 is: 3,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.89 : 7,164.86 = 2,310.80 : x
  2. Step 2: Convert to fraction form
    4,780.89/7,164.86 = 2,310.80/x
  3. Step 3: Cross multiply
    4,780.89x = 7,164.86 × 2,310.80
  4. Step 4: Simplify right side
    4,780.89x = 16,556,511.11
  5. Step 5: Solve for x
    x = 16,556,511.11/4,780.89
  6. Step 6: Final answer
    x = 3,463.06

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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.