Home / 7,271.04-10,889.40-3,561.60

Finding the Fourth Proportional to 7,271.04, 10,889.40 and 3,561.60

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Solution

The fourth proportional to 7,271.04, 10,889.40 and 3,561.60 is: 5,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.04 : 10,889.40 = 3,561.60 : x
  2. Step 2: Convert to fraction form
    7,271.04/10,889.40 = 3,561.60/x
  3. Step 3: Cross multiply
    7,271.04x = 10,889.40 × 3,561.60
  4. Step 4: Simplify right side
    7,271.04x = 38,783,687.04
  5. Step 5: Solve for x
    x = 38,783,687.04/7,271.04
  6. Step 6: Final answer
    x = 5,333.99

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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.