Home / 9,137.36-13,706.52-2,897.84

Finding the Fourth Proportional to 9,137.36, 13,706.52 and 2,897.84

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Solution

The fourth proportional to 9,137.36, 13,706.52 and 2,897.84 is: 4,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.36 : 13,706.52 = 2,897.84 : x
  2. Step 2: Convert to fraction form
    9,137.36/13,706.52 = 2,897.84/x
  3. Step 3: Cross multiply
    9,137.36x = 13,706.52 × 2,897.84
  4. Step 4: Simplify right side
    9,137.36x = 39,719,349.77
  5. Step 5: Solve for x
    x = 39,719,349.77/9,137.36
  6. Step 6: Final answer
    x = 4,346.92

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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.