Home / 9,103.70-13,650.98-4,420.77

Finding the Fourth Proportional to 9,103.70, 13,650.98 and 4,420.77

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Solution

The fourth proportional to 9,103.70, 13,650.98 and 4,420.77 is: 6,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.70 : 13,650.98 = 4,420.77 : x
  2. Step 2: Convert to fraction form
    9,103.70/13,650.98 = 4,420.77/x
  3. Step 3: Cross multiply
    9,103.70x = 13,650.98 × 4,420.77
  4. Step 4: Simplify right side
    9,103.70x = 60,347,820.75
  5. Step 5: Solve for x
    x = 60,347,820.75/9,103.70
  6. Step 6: Final answer
    x = 6,628.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.