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Finding the Fourth Proportional to 8,303.09, 12,456.17 and 2,379.74

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Solution

The fourth proportional to 8,303.09, 12,456.17 and 2,379.74 is: 3,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.09 : 12,456.17 = 2,379.74 : x
  2. Step 2: Convert to fraction form
    8,303.09/12,456.17 = 2,379.74/x
  3. Step 3: Cross multiply
    8,303.09x = 12,456.17 × 2,379.74
  4. Step 4: Simplify right side
    8,303.09x = 29,642,371.82
  5. Step 5: Solve for x
    x = 29,642,371.82/8,303.09
  6. Step 6: Final answer
    x = 3,570.04

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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.