Home / 5,051.88-7,574.04-1,930.68

Finding the Fourth Proportional to 5,051.88, 7,574.04 and 1,930.68

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Solution

The fourth proportional to 5,051.88, 7,574.04 and 1,930.68 is: 2,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.88 : 7,574.04 = 1,930.68 : x
  2. Step 2: Convert to fraction form
    5,051.88/7,574.04 = 1,930.68/x
  3. Step 3: Cross multiply
    5,051.88x = 7,574.04 × 1,930.68
  4. Step 4: Simplify right side
    5,051.88x = 14,623,047.55
  5. Step 5: Solve for x
    x = 14,623,047.55/5,051.88
  6. Step 6: Final answer
    x = 2,894.58

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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.