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Finding the Fourth Proportional to 8,480.26, 11,703.08 and 4,703.43

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Solution

The fourth proportional to 8,480.26, 11,703.08 and 4,703.43 is: 6,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.26 : 11,703.08 = 4,703.43 : x
  2. Step 2: Convert to fraction form
    8,480.26/11,703.08 = 4,703.43/x
  3. Step 3: Cross multiply
    8,480.26x = 11,703.08 × 4,703.43
  4. Step 4: Simplify right side
    8,480.26x = 55,044,673.21
  5. Step 5: Solve for x
    x = 55,044,673.21/8,480.26
  6. Step 6: Final answer
    x = 6,490.92

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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.