Home / 7,008.18-10,514.31-3,720.81

Finding the Fourth Proportional to 7,008.18, 10,514.31 and 3,720.81

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Solution

The fourth proportional to 7,008.18, 10,514.31 and 3,720.81 is: 5,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.18 : 10,514.31 = 3,720.81 : x
  2. Step 2: Convert to fraction form
    7,008.18/10,514.31 = 3,720.81/x
  3. Step 3: Cross multiply
    7,008.18x = 10,514.31 × 3,720.81
  4. Step 4: Simplify right side
    7,008.18x = 39,121,749.79
  5. Step 5: Solve for x
    x = 39,121,749.79/7,008.18
  6. Step 6: Final answer
    x = 5,582.30

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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.