Home / 5,814.20-8,717.80-2,347.40

Finding the Fourth Proportional to 5,814.20, 8,717.80 and 2,347.40

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Solution

The fourth proportional to 5,814.20, 8,717.80 and 2,347.40 is: 3,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.20 : 8,717.80 = 2,347.40 : x
  2. Step 2: Convert to fraction form
    5,814.20/8,717.80 = 2,347.40/x
  3. Step 3: Cross multiply
    5,814.20x = 8,717.80 × 2,347.40
  4. Step 4: Simplify right side
    5,814.20x = 20,464,163.72
  5. Step 5: Solve for x
    x = 20,464,163.72/5,814.20
  6. Step 6: Final answer
    x = 3,519.69

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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.