Home / 8,635.41-12,956.76-4,257.77

Finding the Fourth Proportional to 8,635.41, 12,956.76 and 4,257.77

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Solution

The fourth proportional to 8,635.41, 12,956.76 and 4,257.77 is: 6,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.41 : 12,956.76 = 4,257.77 : x
  2. Step 2: Convert to fraction form
    8,635.41/12,956.76 = 4,257.77/x
  3. Step 3: Cross multiply
    8,635.41x = 12,956.76 × 4,257.77
  4. Step 4: Simplify right side
    8,635.41x = 55,166,839.24
  5. Step 5: Solve for x
    x = 55,166,839.24/8,635.41
  6. Step 6: Final answer
    x = 6,388.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.