Home / 7,822.50-10,793.37-4,636.80

Finding the Fourth Proportional to 7,822.50, 10,793.37 and 4,636.80

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Solution

The fourth proportional to 7,822.50, 10,793.37 and 4,636.80 is: 6,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.50 : 10,793.37 = 4,636.80 : x
  2. Step 2: Convert to fraction form
    7,822.50/10,793.37 = 4,636.80/x
  3. Step 3: Cross multiply
    7,822.50x = 10,793.37 × 4,636.80
  4. Step 4: Simplify right side
    7,822.50x = 50,046,698.02
  5. Step 5: Solve for x
    x = 50,046,698.02/7,822.50
  6. Step 6: Final answer
    x = 6,397.79

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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.