Home / 7,271.67-10,911.42-2,889.17

Finding the Fourth Proportional to 7,271.67, 10,911.42 and 2,889.17

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Solution

The fourth proportional to 7,271.67, 10,911.42 and 2,889.17 is: 4,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.67 : 10,911.42 = 2,889.17 : x
  2. Step 2: Convert to fraction form
    7,271.67/10,911.42 = 2,889.17/x
  3. Step 3: Cross multiply
    7,271.67x = 10,911.42 × 2,889.17
  4. Step 4: Simplify right side
    7,271.67x = 31,524,892.76
  5. Step 5: Solve for x
    x = 31,524,892.76/7,271.67
  6. Step 6: Final answer
    x = 4,335.30

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1.5x scale

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.