Home / 5,154.56-7,113.30-2,796.71

Finding the Fourth Proportional to 5,154.56, 7,113.30 and 2,796.71

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Solution

The fourth proportional to 5,154.56, 7,113.30 and 2,796.71 is: 3,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.56 : 7,113.30 = 2,796.71 : x
  2. Step 2: Convert to fraction form
    5,154.56/7,113.30 = 2,796.71/x
  3. Step 3: Cross multiply
    5,154.56x = 7,113.30 × 2,796.71
  4. Step 4: Simplify right side
    5,154.56x = 19,893,837.24
  5. Step 5: Solve for x
    x = 19,893,837.24/5,154.56
  6. Step 6: Final answer
    x = 3,859.46

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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.