Home / 5,624.84-8,430.28-3,161.43

Finding the Fourth Proportional to 5,624.84, 8,430.28 and 3,161.43

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Solution

The fourth proportional to 5,624.84, 8,430.28 and 3,161.43 is: 4,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.84 : 8,430.28 = 3,161.43 : x
  2. Step 2: Convert to fraction form
    5,624.84/8,430.28 = 3,161.43/x
  3. Step 3: Cross multiply
    5,624.84x = 8,430.28 × 3,161.43
  4. Step 4: Simplify right side
    5,624.84x = 26,651,732.20
  5. Step 5: Solve for x
    x = 26,651,732.20/5,624.84
  6. Step 6: Final answer
    x = 4,738.22

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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.