Home / 9,137.63-13,706.35-2,897.64

Finding the Fourth Proportional to 9,137.63, 13,706.35 and 2,897.64

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Solution

The fourth proportional to 9,137.63, 13,706.35 and 2,897.64 is: 4,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.63 : 13,706.35 = 2,897.64 : x
  2. Step 2: Convert to fraction form
    9,137.63/13,706.35 = 2,897.64/x
  3. Step 3: Cross multiply
    9,137.63x = 13,706.35 × 2,897.64
  4. Step 4: Simplify right side
    9,137.63x = 39,716,060.77
  5. Step 5: Solve for x
    x = 39,716,060.77/9,137.63
  6. Step 6: Final answer
    x = 4,346.43

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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.