Home / 7,269.34-10,905.83-2,885.35

Finding the Fourth Proportional to 7,269.34, 10,905.83 and 2,885.35

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Solution

The fourth proportional to 7,269.34, 10,905.83 and 2,885.35 is: 4,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.34 : 10,905.83 = 2,885.35 : x
  2. Step 2: Convert to fraction form
    7,269.34/10,905.83 = 2,885.35/x
  3. Step 3: Cross multiply
    7,269.34x = 10,905.83 × 2,885.35
  4. Step 4: Simplify right side
    7,269.34x = 31,467,136.59
  5. Step 5: Solve for x
    x = 31,467,136.59/7,269.34
  6. Step 6: Final answer
    x = 4,328.75

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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.