Home / 4,823.85-7,235.78-2,515.05

Finding the Fourth Proportional to 4,823.85, 7,235.78 and 2,515.05

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Solution

The fourth proportional to 4,823.85, 7,235.78 and 2,515.05 is: 3,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.85 : 7,235.78 = 2,515.05 : x
  2. Step 2: Convert to fraction form
    4,823.85/7,235.78 = 2,515.05/x
  3. Step 3: Cross multiply
    4,823.85x = 7,235.78 × 2,515.05
  4. Step 4: Simplify right side
    4,823.85x = 18,198,335.91
  5. Step 5: Solve for x
    x = 18,198,335.91/4,823.85
  6. Step 6: Final answer
    x = 3,772.58

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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.