Home / 5,154.79-7,735.15-3,079.84

Finding the Fourth Proportional to 5,154.79, 7,735.15 and 3,079.84

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Solution

The fourth proportional to 5,154.79, 7,735.15 and 3,079.84 is: 4,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.79 : 7,735.15 = 3,079.84 : x
  2. Step 2: Convert to fraction form
    5,154.79/7,735.15 = 3,079.84/x
  3. Step 3: Cross multiply
    5,154.79x = 7,735.15 × 3,079.84
  4. Step 4: Simplify right side
    5,154.79x = 23,823,008.89
  5. Step 5: Solve for x
    x = 23,823,008.89/5,154.79
  6. Step 6: Final answer
    x = 4,621.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.