Home / 8,849.30-12,211.47-5,072.42

Finding the Fourth Proportional to 8,849.30, 12,211.47 and 5,072.42

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Solution

The fourth proportional to 8,849.30, 12,211.47 and 5,072.42 is: 6,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.30 : 12,211.47 = 5,072.42 : x
  2. Step 2: Convert to fraction form
    8,849.30/12,211.47 = 5,072.42/x
  3. Step 3: Cross multiply
    8,849.30x = 12,211.47 × 5,072.42
  4. Step 4: Simplify right side
    8,849.30x = 61,941,704.66
  5. Step 5: Solve for x
    x = 61,941,704.66/8,849.30
  6. Step 6: Final answer
    x = 6,999.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.