Home / 9,161.38-12,636.03-5,804.74

Finding the Fourth Proportional to 9,161.38, 12,636.03 and 5,804.74

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Solution

The fourth proportional to 9,161.38, 12,636.03 and 5,804.74 is: 8,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.38 : 12,636.03 = 5,804.74 : x
  2. Step 2: Convert to fraction form
    9,161.38/12,636.03 = 5,804.74/x
  3. Step 3: Cross multiply
    9,161.38x = 12,636.03 × 5,804.74
  4. Step 4: Simplify right side
    9,161.38x = 73,348,868.78
  5. Step 5: Solve for x
    x = 73,348,868.78/9,161.38
  6. Step 6: Final answer
    x = 8,006.31

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1.5x scale

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.