Home / 8,480.36-11,702.58-4,754.12

Finding the Fourth Proportional to 8,480.36, 11,702.58 and 4,754.12

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Solution

The fourth proportional to 8,480.36, 11,702.58 and 4,754.12 is: 6,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.36 : 11,702.58 = 4,754.12 : x
  2. Step 2: Convert to fraction form
    8,480.36/11,702.58 = 4,754.12/x
  3. Step 3: Cross multiply
    8,480.36x = 11,702.58 × 4,754.12
  4. Step 4: Simplify right side
    8,480.36x = 55,635,469.63
  5. Step 5: Solve for x
    x = 55,635,469.63/8,480.36
  6. Step 6: Final answer
    x = 6,560.51

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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.