Home / 8,290.49-11,440.90-4,513.68

Finding the Fourth Proportional to 8,290.49, 11,440.90 and 4,513.68

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Solution

The fourth proportional to 8,290.49, 11,440.90 and 4,513.68 is: 6,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.49 : 11,440.90 = 4,513.68 : x
  2. Step 2: Convert to fraction form
    8,290.49/11,440.90 = 4,513.68/x
  3. Step 3: Cross multiply
    8,290.49x = 11,440.90 × 4,513.68
  4. Step 4: Simplify right side
    8,290.49x = 51,640,573.94
  5. Step 5: Solve for x
    x = 51,640,573.94/8,290.49
  6. Step 6: Final answer
    x = 6,228.90

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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.