Home / 9,355.20-14,035.59-2,781.60

Finding the Fourth Proportional to 9,355.20, 14,035.59 and 2,781.60

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Solution

The fourth proportional to 9,355.20, 14,035.59 and 2,781.60 is: 4,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.20 : 14,035.59 = 2,781.60 : x
  2. Step 2: Convert to fraction form
    9,355.20/14,035.59 = 2,781.60/x
  3. Step 3: Cross multiply
    9,355.20x = 14,035.59 × 2,781.60
  4. Step 4: Simplify right side
    9,355.20x = 39,041,397.14
  5. Step 5: Solve for x
    x = 39,041,397.14/9,355.20
  6. Step 6: Final answer
    x = 4,173.23

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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.