Home / 7,289.04-10,936.30-2,909.54

Finding the Fourth Proportional to 7,289.04, 10,936.30 and 2,909.54

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Solution

The fourth proportional to 7,289.04, 10,936.30 and 2,909.54 is: 4,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.04 : 10,936.30 = 2,909.54 : x
  2. Step 2: Convert to fraction form
    7,289.04/10,936.30 = 2,909.54/x
  3. Step 3: Cross multiply
    7,289.04x = 10,936.30 × 2,909.54
  4. Step 4: Simplify right side
    7,289.04x = 31,819,602.30
  5. Step 5: Solve for x
    x = 31,819,602.30/7,289.04
  6. Step 6: Final answer
    x = 4,365.40

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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.