Home / 7,897.11-11,835.42-3,211.66

Finding the Fourth Proportional to 7,897.11, 11,835.42 and 3,211.66

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Solution

The fourth proportional to 7,897.11, 11,835.42 and 3,211.66 is: 4,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.11 : 11,835.42 = 3,211.66 : x
  2. Step 2: Convert to fraction form
    7,897.11/11,835.42 = 3,211.66/x
  3. Step 3: Cross multiply
    7,897.11x = 11,835.42 × 3,211.66
  4. Step 4: Simplify right side
    7,897.11x = 38,011,347.75
  5. Step 5: Solve for x
    x = 38,011,347.75/7,897.11
  6. Step 6: Final answer
    x = 4,813.33

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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.