Home / 8,348.34-11,520.93-4,571.72

Finding the Fourth Proportional to 8,348.34, 11,520.93 and 4,571.72

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Solution

The fourth proportional to 8,348.34, 11,520.93 and 4,571.72 is: 6,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.34 : 11,520.93 = 4,571.72 : x
  2. Step 2: Convert to fraction form
    8,348.34/11,520.93 = 4,571.72/x
  3. Step 3: Cross multiply
    8,348.34x = 11,520.93 × 4,571.72
  4. Step 4: Simplify right side
    8,348.34x = 52,670,408.49
  5. Step 5: Solve for x
    x = 52,670,408.49/8,348.34
  6. Step 6: Final answer
    x = 6,309.09

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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.