Home / 5,154.68-7,113.42-2,796.81

Finding the Fourth Proportional to 5,154.68, 7,113.42 and 2,796.81

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Solution

The fourth proportional to 5,154.68, 7,113.42 and 2,796.81 is: 3,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.68 : 7,113.42 = 2,796.81 : x
  2. Step 2: Convert to fraction form
    5,154.68/7,113.42 = 2,796.81/x
  3. Step 3: Cross multiply
    5,154.68x = 7,113.42 × 2,796.81
  4. Step 4: Simplify right side
    5,154.68x = 19,894,884.19
  5. Step 5: Solve for x
    x = 19,894,884.19/5,154.68
  6. Step 6: Final answer
    x = 3,859.58

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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.