Home / 9,128.29-12,597.05-4,936.54

Finding the Fourth Proportional to 9,128.29, 12,597.05 and 4,936.54

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Solution

The fourth proportional to 9,128.29, 12,597.05 and 4,936.54 is: 6,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.29 : 12,597.05 = 4,936.54 : x
  2. Step 2: Convert to fraction form
    9,128.29/12,597.05 = 4,936.54/x
  3. Step 3: Cross multiply
    9,128.29x = 12,597.05 × 4,936.54
  4. Step 4: Simplify right side
    9,128.29x = 62,185,841.21
  5. Step 5: Solve for x
    x = 62,185,841.21/9,128.29
  6. Step 6: Final answer
    x = 6,812.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.