Home / 8,448.36-11,658.55-4,671.67

Finding the Fourth Proportional to 8,448.36, 11,658.55 and 4,671.67

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Solution

The fourth proportional to 8,448.36, 11,658.55 and 4,671.67 is: 6,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.36 : 11,658.55 = 4,671.67 : x
  2. Step 2: Convert to fraction form
    8,448.36/11,658.55 = 4,671.67/x
  3. Step 3: Cross multiply
    8,448.36x = 11,658.55 × 4,671.67
  4. Step 4: Simplify right side
    8,448.36x = 54,464,898.28
  5. Step 5: Solve for x
    x = 54,464,898.28/8,448.36
  6. Step 6: Final answer
    x = 6,446.80

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Half scale
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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.