Home / 7,898.08-11,854.32-3,514.72

Finding the Fourth Proportional to 7,898.08, 11,854.32 and 3,514.72

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Solution

The fourth proportional to 7,898.08, 11,854.32 and 3,514.72 is: 5,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.08 : 11,854.32 = 3,514.72 : x
  2. Step 2: Convert to fraction form
    7,898.08/11,854.32 = 3,514.72/x
  3. Step 3: Cross multiply
    7,898.08x = 11,854.32 × 3,514.72
  4. Step 4: Simplify right side
    7,898.08x = 41,664,615.59
  5. Step 5: Solve for x
    x = 41,664,615.59/7,898.08
  6. Step 6: Final answer
    x = 5,275.28

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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.