Home / 8,440.53-12,658.04-3,508.84

Finding the Fourth Proportional to 8,440.53, 12,658.04 and 3,508.84

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Solution

The fourth proportional to 8,440.53, 12,658.04 and 3,508.84 is: 5,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.53 : 12,658.04 = 3,508.84 : x
  2. Step 2: Convert to fraction form
    8,440.53/12,658.04 = 3,508.84/x
  3. Step 3: Cross multiply
    8,440.53x = 12,658.04 × 3,508.84
  4. Step 4: Simplify right side
    8,440.53x = 44,415,037.07
  5. Step 5: Solve for x
    x = 44,415,037.07/8,440.53
  6. Step 6: Final answer
    x = 5,262.11

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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.