Home / 7,901.67-11,854.53-3,518.04

Finding the Fourth Proportional to 7,901.67, 11,854.53 and 3,518.04

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Solution

The fourth proportional to 7,901.67, 11,854.53 and 3,518.04 is: 5,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.67 : 11,854.53 = 3,518.04 : x
  2. Step 2: Convert to fraction form
    7,901.67/11,854.53 = 3,518.04/x
  3. Step 3: Cross multiply
    7,901.67x = 11,854.53 × 3,518.04
  4. Step 4: Simplify right side
    7,901.67x = 41,704,710.72
  5. Step 5: Solve for x
    x = 41,704,710.72/7,901.67
  6. Step 6: Final answer
    x = 5,277.96

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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.