Home / 7,271.10-10,912.07-2,829.47

Finding the Fourth Proportional to 7,271.10, 10,912.07 and 2,829.47

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Solution

The fourth proportional to 7,271.10, 10,912.07 and 2,829.47 is: 4,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.10 : 10,912.07 = 2,829.47 : x
  2. Step 2: Convert to fraction form
    7,271.10/10,912.07 = 2,829.47/x
  3. Step 3: Cross multiply
    7,271.10x = 10,912.07 × 2,829.47
  4. Step 4: Simplify right side
    7,271.10x = 30,875,306.00
  5. Step 5: Solve for x
    x = 30,875,306.00/7,271.10
  6. Step 6: Final answer
    x = 4,246.30

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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.