Home / 5,391.69-8,088.14-2,271.12

Finding the Fourth Proportional to 5,391.69, 8,088.14 and 2,271.12

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Solution

The fourth proportional to 5,391.69, 8,088.14 and 2,271.12 is: 3,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.69 : 8,088.14 = 2,271.12 : x
  2. Step 2: Convert to fraction form
    5,391.69/8,088.14 = 2,271.12/x
  3. Step 3: Cross multiply
    5,391.69x = 8,088.14 × 2,271.12
  4. Step 4: Simplify right side
    5,391.69x = 18,369,111.86
  5. Step 5: Solve for x
    x = 18,369,111.86/5,391.69
  6. Step 6: Final answer
    x = 3,406.93

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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.