Home / 8,330.06-12,493.67-2,782.77

Finding the Fourth Proportional to 8,330.06, 12,493.67 and 2,782.77

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Solution

The fourth proportional to 8,330.06, 12,493.67 and 2,782.77 is: 4,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.06 : 12,493.67 = 2,782.77 : x
  2. Step 2: Convert to fraction form
    8,330.06/12,493.67 = 2,782.77/x
  3. Step 3: Cross multiply
    8,330.06x = 12,493.67 × 2,782.77
  4. Step 4: Simplify right side
    8,330.06x = 34,766,996.15
  5. Step 5: Solve for x
    x = 34,766,996.15/8,330.06
  6. Step 6: Final answer
    x = 4,173.68

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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.