Home / 8,448.20-11,658.44-4,671.60

Finding the Fourth Proportional to 8,448.20, 11,658.44 and 4,671.60

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Solution

The fourth proportional to 8,448.20, 11,658.44 and 4,671.60 is: 6,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.20 : 11,658.44 = 4,671.60 : x
  2. Step 2: Convert to fraction form
    8,448.20/11,658.44 = 4,671.60/x
  3. Step 3: Cross multiply
    8,448.20x = 11,658.44 × 4,671.60
  4. Step 4: Simplify right side
    8,448.20x = 54,463,568.30
  5. Step 5: Solve for x
    x = 54,463,568.30/8,448.20
  6. Step 6: Final answer
    x = 6,446.77

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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.