Home / 5,052.18-7,577.04-2,128.89

Finding the Fourth Proportional to 5,052.18, 7,577.04 and 2,128.89

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Solution

The fourth proportional to 5,052.18, 7,577.04 and 2,128.89 is: 3,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.18 : 7,577.04 = 2,128.89 : x
  2. Step 2: Convert to fraction form
    5,052.18/7,577.04 = 2,128.89/x
  3. Step 3: Cross multiply
    5,052.18x = 7,577.04 × 2,128.89
  4. Step 4: Simplify right side
    5,052.18x = 16,130,684.69
  5. Step 5: Solve for x
    x = 16,130,684.69/5,052.18
  6. Step 6: Final answer
    x = 3,192.82

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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.