Home / 4,520.89-6,772.50-3,115.06

Finding the Fourth Proportional to 4,520.89, 6,772.50 and 3,115.06

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Solution

The fourth proportional to 4,520.89, 6,772.50 and 3,115.06 is: 4,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.89 : 6,772.50 = 3,115.06 : x
  2. Step 2: Convert to fraction form
    4,520.89/6,772.50 = 3,115.06/x
  3. Step 3: Cross multiply
    4,520.89x = 6,772.50 × 3,115.06
  4. Step 4: Simplify right side
    4,520.89x = 21,096,709.99
  5. Step 5: Solve for x
    x = 21,096,709.99/4,520.89
  6. Step 6: Final answer
    x = 4,666.50

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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.