Home / 8,619.21-12,927.28-2,294.13

Finding the Fourth Proportional to 8,619.21, 12,927.28 and 2,294.13

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Solution

The fourth proportional to 8,619.21, 12,927.28 and 2,294.13 is: 3,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.21 : 12,927.28 = 2,294.13 : x
  2. Step 2: Convert to fraction form
    8,619.21/12,927.28 = 2,294.13/x
  3. Step 3: Cross multiply
    8,619.21x = 12,927.28 × 2,294.13
  4. Step 4: Simplify right side
    8,619.21x = 29,656,790.49
  5. Step 5: Solve for x
    x = 29,656,790.49/8,619.21
  6. Step 6: Final answer
    x = 3,440.78

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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.