Home / 5,273.14-7,909.73-1,985.35

Finding the Fourth Proportional to 5,273.14, 7,909.73 and 1,985.35

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Solution

The fourth proportional to 5,273.14, 7,909.73 and 1,985.35 is: 2,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.14 : 7,909.73 = 1,985.35 : x
  2. Step 2: Convert to fraction form
    5,273.14/7,909.73 = 1,985.35/x
  3. Step 3: Cross multiply
    5,273.14x = 7,909.73 × 1,985.35
  4. Step 4: Simplify right side
    5,273.14x = 15,703,572.53
  5. Step 5: Solve for x
    x = 15,703,572.53/5,273.14
  6. Step 6: Final answer
    x = 2,978.03

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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.