Home / 8,856.18-12,221.08-4,876.54

Finding the Fourth Proportional to 8,856.18, 12,221.08 and 4,876.54

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Solution

The fourth proportional to 8,856.18, 12,221.08 and 4,876.54 is: 6,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.18 : 12,221.08 = 4,876.54 : x
  2. Step 2: Convert to fraction form
    8,856.18/12,221.08 = 4,876.54/x
  3. Step 3: Cross multiply
    8,856.18x = 12,221.08 × 4,876.54
  4. Step 4: Simplify right side
    8,856.18x = 59,596,542.72
  5. Step 5: Solve for x
    x = 59,596,542.72/8,856.18
  6. Step 6: Final answer
    x = 6,729.37

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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.