Home / 4,909.79-7,363.65-1,622.14

Finding the Fourth Proportional to 4,909.79, 7,363.65 and 1,622.14

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Solution

The fourth proportional to 4,909.79, 7,363.65 and 1,622.14 is: 2,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.79 : 7,363.65 = 1,622.14 : x
  2. Step 2: Convert to fraction form
    4,909.79/7,363.65 = 1,622.14/x
  3. Step 3: Cross multiply
    4,909.79x = 7,363.65 × 1,622.14
  4. Step 4: Simplify right side
    4,909.79x = 11,944,852.80
  5. Step 5: Solve for x
    x = 11,944,852.80/4,909.79
  6. Step 6: Final answer
    x = 2,432.86

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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.