Home / 5,271.51-7,909.31-2,347.82

Finding the Fourth Proportional to 5,271.51, 7,909.31 and 2,347.82

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Solution

The fourth proportional to 5,271.51, 7,909.31 and 2,347.82 is: 3,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.51 : 7,909.31 = 2,347.82 : x
  2. Step 2: Convert to fraction form
    5,271.51/7,909.31 = 2,347.82/x
  3. Step 3: Cross multiply
    5,271.51x = 7,909.31 × 2,347.82
  4. Step 4: Simplify right side
    5,271.51x = 18,569,584.92
  5. Step 5: Solve for x
    x = 18,569,584.92/5,271.51
  6. Step 6: Final answer
    x = 3,522.63

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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.