Home / 5,154.46-7,113.12-2,796.60

Finding the Fourth Proportional to 5,154.46, 7,113.12 and 2,796.60

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Solution

The fourth proportional to 5,154.46, 7,113.12 and 2,796.60 is: 3,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.46 : 7,113.12 = 2,796.60 : x
  2. Step 2: Convert to fraction form
    5,154.46/7,113.12 = 2,796.60/x
  3. Step 3: Cross multiply
    5,154.46x = 7,113.12 × 2,796.60
  4. Step 4: Simplify right side
    5,154.46x = 19,892,551.39
  5. Step 5: Solve for x
    x = 19,892,551.39/5,154.46
  6. Step 6: Final answer
    x = 3,859.29

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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.