Home / 4,909.80-7,363.17-1,622.10

Finding the Fourth Proportional to 4,909.80, 7,363.17 and 1,622.10

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Solution

The fourth proportional to 4,909.80, 7,363.17 and 1,622.10 is: 2,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.80 : 7,363.17 = 1,622.10 : x
  2. Step 2: Convert to fraction form
    4,909.80/7,363.17 = 1,622.10/x
  3. Step 3: Cross multiply
    4,909.80x = 7,363.17 × 1,622.10
  4. Step 4: Simplify right side
    4,909.80x = 11,943,798.06
  5. Step 5: Solve for x
    x = 11,943,798.06/4,909.80
  6. Step 6: Final answer
    x = 2,432.64

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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.