Home / 7,701.15-11,551.60-2,154.41

Finding the Fourth Proportional to 7,701.15, 11,551.60 and 2,154.41

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Solution

The fourth proportional to 7,701.15, 11,551.60 and 2,154.41 is: 3,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.15 : 11,551.60 = 2,154.41 : x
  2. Step 2: Convert to fraction form
    7,701.15/11,551.60 = 2,154.41/x
  3. Step 3: Cross multiply
    7,701.15x = 11,551.60 × 2,154.41
  4. Step 4: Simplify right side
    7,701.15x = 24,886,941.85
  5. Step 5: Solve for x
    x = 24,886,941.85/7,701.15
  6. Step 6: Final answer
    x = 3,231.59

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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.