Home / 5,713.68-7,884.36-3,617.76

Finding the Fourth Proportional to 5,713.68, 7,884.36 and 3,617.76

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Solution

The fourth proportional to 5,713.68, 7,884.36 and 3,617.76 is: 4,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.68 : 7,884.36 = 3,617.76 : x
  2. Step 2: Convert to fraction form
    5,713.68/7,884.36 = 3,617.76/x
  3. Step 3: Cross multiply
    5,713.68x = 7,884.36 × 3,617.76
  4. Step 4: Simplify right side
    5,713.68x = 28,523,722.23
  5. Step 5: Solve for x
    x = 28,523,722.23/5,713.68
  6. Step 6: Final answer
    x = 4,992.18

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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.