Home / 8,856.66-12,222.30-4,877.76

Finding the Fourth Proportional to 8,856.66, 12,222.30 and 4,877.76

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Solution

The fourth proportional to 8,856.66, 12,222.30 and 4,877.76 is: 6,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.66 : 12,222.30 = 4,877.76 : x
  2. Step 2: Convert to fraction form
    8,856.66/12,222.30 = 4,877.76/x
  3. Step 3: Cross multiply
    8,856.66x = 12,222.30 × 4,877.76
  4. Step 4: Simplify right side
    8,856.66x = 59,617,446.05
  5. Step 5: Solve for x
    x = 59,617,446.05/8,856.66
  6. Step 6: Final answer
    x = 6,731.37

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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.