Home / 8,856.59-12,220.82-4,877.95

Finding the Fourth Proportional to 8,856.59, 12,220.82 and 4,877.95

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Solution

The fourth proportional to 8,856.59, 12,220.82 and 4,877.95 is: 6,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.59 : 12,220.82 = 4,877.95 : x
  2. Step 2: Convert to fraction form
    8,856.59/12,220.82 = 4,877.95/x
  3. Step 3: Cross multiply
    8,856.59x = 12,220.82 × 4,877.95
  4. Step 4: Simplify right side
    8,856.59x = 59,612,548.92
  5. Step 5: Solve for x
    x = 59,612,548.92/8,856.59
  6. Step 6: Final answer
    x = 6,730.87

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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.