Home / 5,733.27-7,911.81-3,215.39

Finding the Fourth Proportional to 5,733.27, 7,911.81 and 3,215.39

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Solution

The fourth proportional to 5,733.27, 7,911.81 and 3,215.39 is: 4,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,733.27 : 7,911.81 = 3,215.39 : x
  2. Step 2: Convert to fraction form
    5,733.27/7,911.81 = 3,215.39/x
  3. Step 3: Cross multiply
    5,733.27x = 7,911.81 × 3,215.39
  4. Step 4: Simplify right side
    5,733.27x = 25,439,515.20
  5. Step 5: Solve for x
    x = 25,439,515.20/5,733.27
  6. Step 6: Final answer
    x = 4,437.17

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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.