Home / 8,182.50-12,273.75-2,988.38

Finding the Fourth Proportional to 8,182.50, 12,273.75 and 2,988.38

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Solution

The fourth proportional to 8,182.50, 12,273.75 and 2,988.38 is: 4,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.50 : 12,273.75 = 2,988.38 : x
  2. Step 2: Convert to fraction form
    8,182.50/12,273.75 = 2,988.38/x
  3. Step 3: Cross multiply
    8,182.50x = 12,273.75 × 2,988.38
  4. Step 4: Simplify right side
    8,182.50x = 36,678,567.66
  5. Step 5: Solve for x
    x = 36,678,567.66/8,182.50
  6. Step 6: Final answer
    x = 4,482.56

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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.