Home / 4,720.36-7,081.56-1,433.80

Finding the Fourth Proportional to 4,720.36, 7,081.56 and 1,433.80

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Solution

The fourth proportional to 4,720.36, 7,081.56 and 1,433.80 is: 2,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.36 : 7,081.56 = 1,433.80 : x
  2. Step 2: Convert to fraction form
    4,720.36/7,081.56 = 1,433.80/x
  3. Step 3: Cross multiply
    4,720.36x = 7,081.56 × 1,433.80
  4. Step 4: Simplify right side
    4,720.36x = 10,153,540.73
  5. Step 5: Solve for x
    x = 10,153,540.73/4,720.36
  6. Step 6: Final answer
    x = 2,151.01

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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.