Home / 4,988.73-7,485.72-2,217.39

Finding the Fourth Proportional to 4,988.73, 7,485.72 and 2,217.39

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Solution

The fourth proportional to 4,988.73, 7,485.72 and 2,217.39 is: 3,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.73 : 7,485.72 = 2,217.39 : x
  2. Step 2: Convert to fraction form
    4,988.73/7,485.72 = 2,217.39/x
  3. Step 3: Cross multiply
    4,988.73x = 7,485.72 × 2,217.39
  4. Step 4: Simplify right side
    4,988.73x = 16,598,760.67
  5. Step 5: Solve for x
    x = 16,598,760.67/4,988.73
  6. Step 6: Final answer
    x = 3,327.25

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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.