Home / 5,271.82-7,275.18-2,913.88

Finding the Fourth Proportional to 5,271.82, 7,275.18 and 2,913.88

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Solution

The fourth proportional to 5,271.82, 7,275.18 and 2,913.88 is: 4,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.82 : 7,275.18 = 2,913.88 : x
  2. Step 2: Convert to fraction form
    5,271.82/7,275.18 = 2,913.88/x
  3. Step 3: Cross multiply
    5,271.82x = 7,275.18 × 2,913.88
  4. Step 4: Simplify right side
    5,271.82x = 21,199,001.50
  5. Step 5: Solve for x
    x = 21,199,001.50/5,271.82
  6. Step 6: Final answer
    x = 4,021.19

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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.