Home / 8,849.05-12,211.33-5,215.06

Finding the Fourth Proportional to 8,849.05, 12,211.33 and 5,215.06

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Solution

The fourth proportional to 8,849.05, 12,211.33 and 5,215.06 is: 7,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.05 : 12,211.33 = 5,215.06 : x
  2. Step 2: Convert to fraction form
    8,849.05/12,211.33 = 5,215.06/x
  3. Step 3: Cross multiply
    8,849.05x = 12,211.33 × 5,215.06
  4. Step 4: Simplify right side
    8,849.05x = 63,682,818.63
  5. Step 5: Solve for x
    x = 63,682,818.63/8,849.05
  6. Step 6: Final answer
    x = 7,196.57

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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.