Home / 7,900.22-10,902.30-4,363.44

Finding the Fourth Proportional to 7,900.22, 10,902.30 and 4,363.44

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Solution

The fourth proportional to 7,900.22, 10,902.30 and 4,363.44 is: 6,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.22 : 10,902.30 = 4,363.44 : x
  2. Step 2: Convert to fraction form
    7,900.22/10,902.30 = 4,363.44/x
  3. Step 3: Cross multiply
    7,900.22x = 10,902.30 × 4,363.44
  4. Step 4: Simplify right side
    7,900.22x = 47,571,531.91
  5. Step 5: Solve for x
    x = 47,571,531.91/7,900.22
  6. Step 6: Final answer
    x = 6,021.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.