Home / 9,132.72-13,699.70-3,208.89

Finding the Fourth Proportional to 9,132.72, 13,699.70 and 3,208.89

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Solution

The fourth proportional to 9,132.72, 13,699.70 and 3,208.89 is: 4,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.72 : 13,699.70 = 3,208.89 : x
  2. Step 2: Convert to fraction form
    9,132.72/13,699.70 = 3,208.89/x
  3. Step 3: Cross multiply
    9,132.72x = 13,699.70 × 3,208.89
  4. Step 4: Simplify right side
    9,132.72x = 43,960,814.29
  5. Step 5: Solve for x
    x = 43,960,814.29/9,132.72
  6. Step 6: Final answer
    x = 4,813.55

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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.