Home / 5,323.13-7,988.36-1,860.38

Finding the Fourth Proportional to 5,323.13, 7,988.36 and 1,860.38

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Solution

The fourth proportional to 5,323.13, 7,988.36 and 1,860.38 is: 2,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.13 : 7,988.36 = 1,860.38 : x
  2. Step 2: Convert to fraction form
    5,323.13/7,988.36 = 1,860.38/x
  3. Step 3: Cross multiply
    5,323.13x = 7,988.36 × 1,860.38
  4. Step 4: Simplify right side
    5,323.13x = 14,861,335.93
  5. Step 5: Solve for x
    x = 14,861,335.93/5,323.13
  6. Step 6: Final answer
    x = 2,791.84

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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.