Home / 9,145.02-13,714.80-3,879.94

Finding the Fourth Proportional to 9,145.02, 13,714.80 and 3,879.94

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Solution

The fourth proportional to 9,145.02, 13,714.80 and 3,879.94 is: 5,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.02 : 13,714.80 = 3,879.94 : x
  2. Step 2: Convert to fraction form
    9,145.02/13,714.80 = 3,879.94/x
  3. Step 3: Cross multiply
    9,145.02x = 13,714.80 × 3,879.94
  4. Step 4: Simplify right side
    9,145.02x = 53,212,601.11
  5. Step 5: Solve for x
    x = 53,212,601.11/9,145.02
  6. Step 6: Final answer
    x = 5,818.75

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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.