Home / 8,276.88-12,417.15-2,729.99

Finding the Fourth Proportional to 8,276.88, 12,417.15 and 2,729.99

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Solution

The fourth proportional to 8,276.88, 12,417.15 and 2,729.99 is: 4,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.88 : 12,417.15 = 2,729.99 : x
  2. Step 2: Convert to fraction form
    8,276.88/12,417.15 = 2,729.99/x
  3. Step 3: Cross multiply
    8,276.88x = 12,417.15 × 2,729.99
  4. Step 4: Simplify right side
    8,276.88x = 33,898,703.79
  5. Step 5: Solve for x
    x = 33,898,703.79/8,276.88
  6. Step 6: Final answer
    x = 4,095.59

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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.