Home / 6,514.18-9,784.34-3,886.81

Finding the Fourth Proportional to 6,514.18, 9,784.34 and 3,886.81

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Solution

The fourth proportional to 6,514.18, 9,784.34 and 3,886.81 is: 5,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.18 : 9,784.34 = 3,886.81 : x
  2. Step 2: Convert to fraction form
    6,514.18/9,784.34 = 3,886.81/x
  3. Step 3: Cross multiply
    6,514.18x = 9,784.34 × 3,886.81
  4. Step 4: Simplify right side
    6,514.18x = 38,029,897.36
  5. Step 5: Solve for x
    x = 38,029,897.36/6,514.18
  6. Step 6: Final answer
    x = 5,838.02

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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.