Home / 8,440.03-12,658.88-2,199.54

Finding the Fourth Proportional to 8,440.03, 12,658.88 and 2,199.54

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Solution

The fourth proportional to 8,440.03, 12,658.88 and 2,199.54 is: 3,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.03 : 12,658.88 = 2,199.54 : x
  2. Step 2: Convert to fraction form
    8,440.03/12,658.88 = 2,199.54/x
  3. Step 3: Cross multiply
    8,440.03x = 12,658.88 × 2,199.54
  4. Step 4: Simplify right side
    8,440.03x = 27,843,638.62
  5. Step 5: Solve for x
    x = 27,843,638.62/8,440.03
  6. Step 6: Final answer
    x = 3,299.00

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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.