Home / 9,146.19-13,717.35-3,879.39

Finding the Fourth Proportional to 9,146.19, 13,717.35 and 3,879.39

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Solution

The fourth proportional to 9,146.19, 13,717.35 and 3,879.39 is: 5,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.19 : 13,717.35 = 3,879.39 : x
  2. Step 2: Convert to fraction form
    9,146.19/13,717.35 = 3,879.39/x
  3. Step 3: Cross multiply
    9,146.19x = 13,717.35 × 3,879.39
  4. Step 4: Simplify right side
    9,146.19x = 53,214,950.42
  5. Step 5: Solve for x
    x = 53,214,950.42/9,146.19
  6. Step 6: Final answer
    x = 5,818.26

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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.