Home / 9,141.21-13,704.87-2,897.63

Finding the Fourth Proportional to 9,141.21, 13,704.87 and 2,897.63

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Solution

The fourth proportional to 9,141.21, 13,704.87 and 2,897.63 is: 4,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.21 : 13,704.87 = 2,897.63 : x
  2. Step 2: Convert to fraction form
    9,141.21/13,704.87 = 2,897.63/x
  3. Step 3: Cross multiply
    9,141.21x = 13,704.87 × 2,897.63
  4. Step 4: Simplify right side
    9,141.21x = 39,711,573.93
  5. Step 5: Solve for x
    x = 39,711,573.93/9,141.21
  6. Step 6: Final answer
    x = 4,344.24

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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.