Home / 8,855.33-12,221.08-4,876.81

Finding the Fourth Proportional to 8,855.33, 12,221.08 and 4,876.81

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Solution

The fourth proportional to 8,855.33, 12,221.08 and 4,876.81 is: 6,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.33 : 12,221.08 = 4,876.81 : x
  2. Step 2: Convert to fraction form
    8,855.33/12,221.08 = 4,876.81/x
  3. Step 3: Cross multiply
    8,855.33x = 12,221.08 × 4,876.81
  4. Step 4: Simplify right side
    8,855.33x = 59,599,842.41
  5. Step 5: Solve for x
    x = 59,599,842.41/8,855.33
  6. Step 6: Final answer
    x = 6,730.40

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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.