Home / 4,922.50-7,377.30-1,999.22

Finding the Fourth Proportional to 4,922.50, 7,377.30 and 1,999.22

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Solution

The fourth proportional to 4,922.50, 7,377.30 and 1,999.22 is: 2,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.50 : 7,377.30 = 1,999.22 : x
  2. Step 2: Convert to fraction form
    4,922.50/7,377.30 = 1,999.22/x
  3. Step 3: Cross multiply
    4,922.50x = 7,377.30 × 1,999.22
  4. Step 4: Simplify right side
    4,922.50x = 14,748,845.71
  5. Step 5: Solve for x
    x = 14,748,845.71/4,922.50
  6. Step 6: Final answer
    x = 2,996.21

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1.5x scale

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.