Home / 8,738.60-12,059.50-4,961.64

Finding the Fourth Proportional to 8,738.60, 12,059.50 and 4,961.64

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Solution

The fourth proportional to 8,738.60, 12,059.50 and 4,961.64 is: 6,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.60 : 12,059.50 = 4,961.64 : x
  2. Step 2: Convert to fraction form
    8,738.60/12,059.50 = 4,961.64/x
  3. Step 3: Cross multiply
    8,738.60x = 12,059.50 × 4,961.64
  4. Step 4: Simplify right side
    8,738.60x = 59,834,897.58
  5. Step 5: Solve for x
    x = 59,834,897.58/8,738.60
  6. Step 6: Final answer
    x = 6,847.19

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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.