Home / 7,271.13-10,909.30-3,575.96

Finding the Fourth Proportional to 7,271.13, 10,909.30 and 3,575.96

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Solution

The fourth proportional to 7,271.13, 10,909.30 and 3,575.96 is: 5,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.13 : 10,909.30 = 3,575.96 : x
  2. Step 2: Convert to fraction form
    7,271.13/10,909.30 = 3,575.96/x
  3. Step 3: Cross multiply
    7,271.13x = 10,909.30 × 3,575.96
  4. Step 4: Simplify right side
    7,271.13x = 39,011,204.52
  5. Step 5: Solve for x
    x = 39,011,204.52/7,271.13
  6. Step 6: Final answer
    x = 5,365.22

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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.