Home / 4,738.20-7,111.53-4,720.56

Finding the Fourth Proportional to 4,738.20, 7,111.53 and 4,720.56

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Solution

The fourth proportional to 4,738.20, 7,111.53 and 4,720.56 is: 7,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.20 : 7,111.53 = 4,720.56 : x
  2. Step 2: Convert to fraction form
    4,738.20/7,111.53 = 4,720.56/x
  3. Step 3: Cross multiply
    4,738.20x = 7,111.53 × 4,720.56
  4. Step 4: Simplify right side
    4,738.20x = 33,570,404.06
  5. Step 5: Solve for x
    x = 33,570,404.06/4,738.20
  6. Step 6: Final answer
    x = 7,085.05

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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.