Home / 5,821.13-8,686.98-5,198.33

Finding the Fourth Proportional to 5,821.13, 8,686.98 and 5,198.33

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Solution

The fourth proportional to 5,821.13, 8,686.98 and 5,198.33 is: 7,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.13 : 8,686.98 = 5,198.33 : x
  2. Step 2: Convert to fraction form
    5,821.13/8,686.98 = 5,198.33/x
  3. Step 3: Cross multiply
    5,821.13x = 8,686.98 × 5,198.33
  4. Step 4: Simplify right side
    5,821.13x = 45,157,810.46
  5. Step 5: Solve for x
    x = 45,157,810.46/5,821.13
  6. Step 6: Final answer
    x = 7,757.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.