Home / 7,269.90-10,909.62-3,985.31

Finding the Fourth Proportional to 7,269.90, 10,909.62 and 3,985.31

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Solution

The fourth proportional to 7,269.90, 10,909.62 and 3,985.31 is: 5,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.90 : 10,909.62 = 3,985.31 : x
  2. Step 2: Convert to fraction form
    7,269.90/10,909.62 = 3,985.31/x
  3. Step 3: Cross multiply
    7,269.90x = 10,909.62 × 3,985.31
  4. Step 4: Simplify right side
    7,269.90x = 43,478,244.96
  5. Step 5: Solve for x
    x = 43,478,244.96/7,269.90
  6. Step 6: Final answer
    x = 5,980.59

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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.