Home / 5,715.25-7,886.97-3,197.32

Finding the Fourth Proportional to 5,715.25, 7,886.97 and 3,197.32

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Solution

The fourth proportional to 5,715.25, 7,886.97 and 3,197.32 is: 4,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.25 : 7,886.97 = 3,197.32 : x
  2. Step 2: Convert to fraction form
    5,715.25/7,886.97 = 3,197.32/x
  3. Step 3: Cross multiply
    5,715.25x = 7,886.97 × 3,197.32
  4. Step 4: Simplify right side
    5,715.25x = 25,217,166.92
  5. Step 5: Solve for x
    x = 25,217,166.92/5,715.25
  6. Step 6: Final answer
    x = 4,412.26

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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.