Home / 5,655.18-8,485.80-2,536.29

Finding the Fourth Proportional to 5,655.18, 8,485.80 and 2,536.29

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Solution

The fourth proportional to 5,655.18, 8,485.80 and 2,536.29 is: 3,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.18 : 8,485.80 = 2,536.29 : x
  2. Step 2: Convert to fraction form
    5,655.18/8,485.80 = 2,536.29/x
  3. Step 3: Cross multiply
    5,655.18x = 8,485.80 × 2,536.29
  4. Step 4: Simplify right side
    5,655.18x = 21,522,449.68
  5. Step 5: Solve for x
    x = 21,522,449.68/5,655.18
  6. Step 6: Final answer
    x = 3,805.79

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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.