Home / 8,290.36-11,440.94-4,513.77

Finding the Fourth Proportional to 8,290.36, 11,440.94 and 4,513.77

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Solution

The fourth proportional to 8,290.36, 11,440.94 and 4,513.77 is: 6,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.36 : 11,440.94 = 4,513.77 : x
  2. Step 2: Convert to fraction form
    8,290.36/11,440.94 = 4,513.77/x
  3. Step 3: Cross multiply
    8,290.36x = 11,440.94 × 4,513.77
  4. Step 4: Simplify right side
    8,290.36x = 51,641,771.74
  5. Step 5: Solve for x
    x = 51,641,771.74/8,290.36
  6. Step 6: Final answer
    x = 6,229.14

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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.