Home / 8,125.41-11,211.12-5,606.72

Finding the Fourth Proportional to 8,125.41, 11,211.12 and 5,606.72

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Solution

The fourth proportional to 8,125.41, 11,211.12 and 5,606.72 is: 7,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.41 : 11,211.12 = 5,606.72 : x
  2. Step 2: Convert to fraction form
    8,125.41/11,211.12 = 5,606.72/x
  3. Step 3: Cross multiply
    8,125.41x = 11,211.12 × 5,606.72
  4. Step 4: Simplify right side
    8,125.41x = 62,857,554.67
  5. Step 5: Solve for x
    x = 62,857,554.67/8,125.41
  6. Step 6: Final answer
    x = 7,735.92

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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.