Home / 5,271.54-7,271.40-3,381.13

Finding the Fourth Proportional to 5,271.54, 7,271.40 and 3,381.13

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Solution

The fourth proportional to 5,271.54, 7,271.40 and 3,381.13 is: 4,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.54 : 7,271.40 = 3,381.13 : x
  2. Step 2: Convert to fraction form
    5,271.54/7,271.40 = 3,381.13/x
  3. Step 3: Cross multiply
    5,271.54x = 7,271.40 × 3,381.13
  4. Step 4: Simplify right side
    5,271.54x = 24,585,548.68
  5. Step 5: Solve for x
    x = 24,585,548.68/5,271.54
  6. Step 6: Final answer
    x = 4,663.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.