Home / 5,161.04-7,739.40-2,528.72

Finding the Fourth Proportional to 5,161.04, 7,739.40 and 2,528.72

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Solution

The fourth proportional to 5,161.04, 7,739.40 and 2,528.72 is: 3,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.04 : 7,739.40 = 2,528.72 : x
  2. Step 2: Convert to fraction form
    5,161.04/7,739.40 = 2,528.72/x
  3. Step 3: Cross multiply
    5,161.04x = 7,739.40 × 2,528.72
  4. Step 4: Simplify right side
    5,161.04x = 19,570,775.57
  5. Step 5: Solve for x
    x = 19,570,775.57/5,161.04
  6. Step 6: Final answer
    x = 3,792.02

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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.