Home / 8,248.89-11,385.50-5,103.21

Finding the Fourth Proportional to 8,248.89, 11,385.50 and 5,103.21

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Solution

The fourth proportional to 8,248.89, 11,385.50 and 5,103.21 is: 7,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.89 : 11,385.50 = 5,103.21 : x
  2. Step 2: Convert to fraction form
    8,248.89/11,385.50 = 5,103.21/x
  3. Step 3: Cross multiply
    8,248.89x = 11,385.50 × 5,103.21
  4. Step 4: Simplify right side
    8,248.89x = 58,102,571.94
  5. Step 5: Solve for x
    x = 58,102,571.94/8,248.89
  6. Step 6: Final answer
    x = 7,043.68

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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.