Home / 5,681.22-8,519.40-2,560.56

Finding the Fourth Proportional to 5,681.22, 8,519.40 and 2,560.56

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Solution

The fourth proportional to 5,681.22, 8,519.40 and 2,560.56 is: 3,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.22 : 8,519.40 = 2,560.56 : x
  2. Step 2: Convert to fraction form
    5,681.22/8,519.40 = 2,560.56/x
  3. Step 3: Cross multiply
    5,681.22x = 8,519.40 × 2,560.56
  4. Step 4: Simplify right side
    5,681.22x = 21,814,434.86
  5. Step 5: Solve for x
    x = 21,814,434.86/5,681.22
  6. Step 6: Final answer
    x = 3,839.74

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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.