Home / 8,348.47-11,520.90-4,520.15

Finding the Fourth Proportional to 8,348.47, 11,520.90 and 4,520.15

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Solution

The fourth proportional to 8,348.47, 11,520.90 and 4,520.15 is: 6,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.47 : 11,520.90 = 4,520.15 : x
  2. Step 2: Convert to fraction form
    8,348.47/11,520.90 = 4,520.15/x
  3. Step 3: Cross multiply
    8,348.47x = 11,520.90 × 4,520.15
  4. Step 4: Simplify right side
    8,348.47x = 52,076,149.33
  5. Step 5: Solve for x
    x = 52,076,149.33/8,348.47
  6. Step 6: Final answer
    x = 6,237.81

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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.