Home / 8,856.82-12,222.40-4,877.92

Finding the Fourth Proportional to 8,856.82, 12,222.40 and 4,877.92

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Solution

The fourth proportional to 8,856.82, 12,222.40 and 4,877.92 is: 6,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.82 : 12,222.40 = 4,877.92 : x
  2. Step 2: Convert to fraction form
    8,856.82/12,222.40 = 4,877.92/x
  3. Step 3: Cross multiply
    8,856.82x = 12,222.40 × 4,877.92
  4. Step 4: Simplify right side
    8,856.82x = 59,619,889.41
  5. Step 5: Solve for x
    x = 59,619,889.41/8,856.82
  6. Step 6: Final answer
    x = 6,731.52

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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.