Home / 4,781.76-7,173.60-4,317.12

Finding the Fourth Proportional to 4,781.76, 7,173.60 and 4,317.12

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Solution

The fourth proportional to 4,781.76, 7,173.60 and 4,317.12 is: 6,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.76 : 7,173.60 = 4,317.12 : x
  2. Step 2: Convert to fraction form
    4,781.76/7,173.60 = 4,317.12/x
  3. Step 3: Cross multiply
    4,781.76x = 7,173.60 × 4,317.12
  4. Step 4: Simplify right side
    4,781.76x = 30,969,292.03
  5. Step 5: Solve for x
    x = 30,969,292.03/4,781.76
  6. Step 6: Final answer
    x = 6,476.55

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1.5x scale

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.