Home / 5,051.18-7,575.55-2,127.89

Finding the Fourth Proportional to 5,051.18, 7,575.55 and 2,127.89

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Solution

The fourth proportional to 5,051.18, 7,575.55 and 2,127.89 is: 3,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.18 : 7,575.55 = 2,127.89 : x
  2. Step 2: Convert to fraction form
    5,051.18/7,575.55 = 2,127.89/x
  3. Step 3: Cross multiply
    5,051.18x = 7,575.55 × 2,127.89
  4. Step 4: Simplify right side
    5,051.18x = 16,119,937.09
  5. Step 5: Solve for x
    x = 16,119,937.09/5,051.18
  6. Step 6: Final answer
    x = 3,191.32

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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.