Home / 9,316.26-12,857.29-5,338.66

Finding the Fourth Proportional to 9,316.26, 12,857.29 and 5,338.66

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Solution

The fourth proportional to 9,316.26, 12,857.29 and 5,338.66 is: 7,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.26 : 12,857.29 = 5,338.66 : x
  2. Step 2: Convert to fraction form
    9,316.26/12,857.29 = 5,338.66/x
  3. Step 3: Cross multiply
    9,316.26x = 12,857.29 × 5,338.66
  4. Step 4: Simplify right side
    9,316.26x = 68,640,699.83
  5. Step 5: Solve for x
    x = 68,640,699.83/9,316.26
  6. Step 6: Final answer
    x = 7,367.84

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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.