Home / 9,329.81-12,874.91-5,297.39

Finding the Fourth Proportional to 9,329.81, 12,874.91 and 5,297.39

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Solution

The fourth proportional to 9,329.81, 12,874.91 and 5,297.39 is: 7,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.81 : 12,874.91 = 5,297.39 : x
  2. Step 2: Convert to fraction form
    9,329.81/12,874.91 = 5,297.39/x
  3. Step 3: Cross multiply
    9,329.81x = 12,874.91 × 5,297.39
  4. Step 4: Simplify right side
    9,329.81x = 68,203,393.00
  5. Step 5: Solve for x
    x = 68,203,393.00/9,329.81
  6. Step 6: Final answer
    x = 7,310.27

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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.