Home / 5,157.13-7,116.84-2,799.27

Finding the Fourth Proportional to 5,157.13, 7,116.84 and 2,799.27

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Solution

The fourth proportional to 5,157.13, 7,116.84 and 2,799.27 is: 3,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.13 : 7,116.84 = 2,799.27 : x
  2. Step 2: Convert to fraction form
    5,157.13/7,116.84 = 2,799.27/x
  3. Step 3: Cross multiply
    5,157.13x = 7,116.84 × 2,799.27
  4. Step 4: Simplify right side
    5,157.13x = 19,921,956.71
  5. Step 5: Solve for x
    x = 19,921,956.71/5,157.13
  6. Step 6: Final answer
    x = 3,862.99

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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.