Home / 5,622.63-8,434.34-2,159.88

Finding the Fourth Proportional to 5,622.63, 8,434.34 and 2,159.88

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Solution

The fourth proportional to 5,622.63, 8,434.34 and 2,159.88 is: 3,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.63 : 8,434.34 = 2,159.88 : x
  2. Step 2: Convert to fraction form
    5,622.63/8,434.34 = 2,159.88/x
  3. Step 3: Cross multiply
    5,622.63x = 8,434.34 × 2,159.88
  4. Step 4: Simplify right side
    5,622.63x = 18,217,162.28
  5. Step 5: Solve for x
    x = 18,217,162.28/5,622.63
  6. Step 6: Final answer
    x = 3,239.97

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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.