Home / 9,132.72-13,697.71-2,891.93

Finding the Fourth Proportional to 9,132.72, 13,697.71 and 2,891.93

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Solution

The fourth proportional to 9,132.72, 13,697.71 and 2,891.93 is: 4,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.72 : 13,697.71 = 2,891.93 : x
  2. Step 2: Convert to fraction form
    9,132.72/13,697.71 = 2,891.93/x
  3. Step 3: Cross multiply
    9,132.72x = 13,697.71 × 2,891.93
  4. Step 4: Simplify right side
    9,132.72x = 39,612,749.99
  5. Step 5: Solve for x
    x = 39,612,749.99/9,132.72
  6. Step 6: Final answer
    x = 4,337.45

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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.