Home / 7,821.09-10,793.79-4,635.36

Finding the Fourth Proportional to 7,821.09, 10,793.79 and 4,635.36

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Solution

The fourth proportional to 7,821.09, 10,793.79 and 4,635.36 is: 6,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.09 : 10,793.79 = 4,635.36 : x
  2. Step 2: Convert to fraction form
    7,821.09/10,793.79 = 4,635.36/x
  3. Step 3: Cross multiply
    7,821.09x = 10,793.79 × 4,635.36
  4. Step 4: Simplify right side
    7,821.09x = 50,033,102.41
  5. Step 5: Solve for x
    x = 50,033,102.41/7,821.09
  6. Step 6: Final answer
    x = 6,397.20

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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.