Home / 5,715.23-7,886.34-3,197.48

Finding the Fourth Proportional to 5,715.23, 7,886.34 and 3,197.48

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Solution

The fourth proportional to 5,715.23, 7,886.34 and 3,197.48 is: 4,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.23 : 7,886.34 = 3,197.48 : x
  2. Step 2: Convert to fraction form
    5,715.23/7,886.34 = 3,197.48/x
  3. Step 3: Cross multiply
    5,715.23x = 7,886.34 × 3,197.48
  4. Step 4: Simplify right side
    5,715.23x = 25,216,414.42
  5. Step 5: Solve for x
    x = 25,216,414.42/5,715.23
  6. Step 6: Final answer
    x = 4,412.14

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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.