Home / 4,883.20-7,319.55-2,111.19

Finding the Fourth Proportional to 4,883.20, 7,319.55 and 2,111.19

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Solution

The fourth proportional to 4,883.20, 7,319.55 and 2,111.19 is: 3,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.20 : 7,319.55 = 2,111.19 : x
  2. Step 2: Convert to fraction form
    4,883.20/7,319.55 = 2,111.19/x
  3. Step 3: Cross multiply
    4,883.20x = 7,319.55 × 2,111.19
  4. Step 4: Simplify right side
    4,883.20x = 15,452,960.76
  5. Step 5: Solve for x
    x = 15,452,960.76/4,883.20
  6. Step 6: Final answer
    x = 3,164.52

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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.