Home / 5,686.81-8,514.01-4,518.48

Finding the Fourth Proportional to 5,686.81, 8,514.01 and 4,518.48

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Solution

The fourth proportional to 5,686.81, 8,514.01 and 4,518.48 is: 6,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.81 : 8,514.01 = 4,518.48 : x
  2. Step 2: Convert to fraction form
    5,686.81/8,514.01 = 4,518.48/x
  3. Step 3: Cross multiply
    5,686.81x = 8,514.01 × 4,518.48
  4. Step 4: Simplify right side
    5,686.81x = 38,470,421.48
  5. Step 5: Solve for x
    x = 38,470,421.48/5,686.81
  6. Step 6: Final answer
    x = 6,764.85

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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.